Geogrids
	The effect of geogrids under unbound sub-base layers J. Retzlaff, Colbond Geosynthetics GmbH U. Turczynski, University of Applied Sciences Anhalt, Germany S. Schwerdt, Ingenieure Dr. Köhler & Kirschstein GmbH, Germany Proceedings of the 8th International Conference on Geosynthetics, Yokohama, Japan; 18-22 September 2006
	Comparison of designs based on standard tests with on site measurements of the reinforcement effect of geogrids in executed road projects J. Retzlaff, Colbond Geosynthetics GmbH, Germany W. Voskamp, Colbond bv, Arnhem, The Netherlands Proceedings of the 8th International Conference on Geosynthetics, Yokohama, Japan; 18-22 September 2006
	Swing-up in creep curves at high loadings of PET bars - further proof of the molecular chain change model J. Retzlaff, Colbond Geosynthetics GmbH, Germany W. Voskamp, Colbond bv, Arnhem, The Netherlands Proceedings of the 8th International Conference on Geosynthetics, Yokohama, Japan; 18-22 September 2006
	Current approaches to the determination of the design stiffness and strength of polymeric biaxial geogrids Prof. Alan McGown & Jan Kupec MSc, University of Strathclyde, Glasgow, UK Dr Georg Heerten, Naue Fasertechnik, Lübbecke, Germany Wim Voskamp MSc, Colbond, Arnhem, The Netherlands Proceedings of the 28th "Baugrundtagung", Leipzig, Germany; 22+23 September 2004
	Properties of the new laser welded geogrid made of extruded bars Jan-Maarten Elias, Colbond Proceedings of the Second European Geosynthetics Conference, EuroGeo 2, Bologna, Italy; 15-18 October 2000
	Predicting the long-term strength of a geogrid using the stepped isothermal method J.H. Greenwood, ERA Technology Ltd., Leatherhead, United Kingdom Wim Voskamp, Colbond Proceedings of the Second European Geosynthetics Conference, EuroGeo 2, Bologna, Italy; 15-18 October 2000
	Index and performance testing a new geogrid made of highly oriented straps Wim Voskamp, Colbond Proceedings of Geo-Denver, Colorado, USA; 5-8 August 2000
	Variation in creep rate at constant loading of PET geogrid strapping Wim Voskamp, Frans van Vliet, Colbond Proceedings of the 3rd Conference on Earth Reinforcement, Kyushu, Japan; November 2001
Soil Reinforcement & Soil Stabilization
	Building Roads on Sabkha Soils with Geosynthetic Systems Jan-Maarten Elias, Colbond Proceedings of 2nd Golf Conference, Abu Dhabi, January 2004
	Design methods for roads reinforced with multifunctional geogrid composites for subbase stabilization Prof. Dr. Norbert Meyer, Fachhochschule Frankfurt am Main Jan-Maarten Elias, Colbond Translation paper for conference "Kunststoffe in der Geotechnik", Munich, Germany; March 1999 German Paper: Dimensionierung von Oberbauten von Verkehrsflächen unter Einsatz von multifunktionalen Geogrids zur Stabilisierung des Untergrundes
	On site test of reinforced freeway with high-strength geosynthetics N. Bloise, Anas Institute, Italy S. Ucciardo, Anas Institute, Italy In cooperation with Colbond Proceedings of the Second European Geosynthetics Conference, EuroGeo 2, Bologna, Italy; 15-18 October, 2000
	Influence of a high modulus geogrid composite on the surface layer of roads on soft soil Jan-Maarten Elias, Colbond A. Scarpas, Delft University of Technology, The Netherlands X. Liu, Delft University of Technology, The Netherlands Paper of the 4th International Rilem-Conference on Reflective Cracking in Pavements, Ottawa, Canada; 26-30 March 2000
	Proposed method to determine the safety capacity of reinforced soil structures Wim Voskamp, Colbond Proceedings of the International Symposium on Earth Reinforcement,  Kyushu, Fukuoka, Japan; 12-14 November 1996
	Gestaltung und Bemessung der Aussenhaut geokunststoffbewehrter Böschungen und Wände (available in German, only) J.Retzlaff, Colbond Geosynthetics GmbH Geotechnik 26 (2003) Nr. 2, Special for FS-KGEO 2003, München, Germany
	Sicherung eines geordneten Abraumfeldes im Steinbruch Gundelsheim (available in German, only)           J. Retzlaff, Colbond Geosynthetics GmbH; H. Obermeyer, CERES 4. Kolloquium, Bauen in Boden und Fels, Ostfildern, Germany; 20 + 21 January, 2004
Soil Consolidation
	The mobilized strength of prefabricated vertical drains Wim Voskamp, Colbond Geurt Troost, Colbond Robert Koerner, Geosynthetic Research Institute, Drexel University, Philadelphia, USA Paper of Sixth International Conference on Geosynthetics, Atlanta, USA; March 1998
	Critical parameters for specification of prefabricated vertical drains Blair Rawes, Colbond Technical paper for Geosynthetics International, 1997 - Vol. 4, No.1
	Vertikaldränage - Überlegungen zu Einsatz und Bemessung (available in German, only) Jan Retzlaff, Colbond Geosynthetics GmbH FSK Geo, München, Germany, March 2001
Drainage
	Long-term flow capacity of geocomposites Rolf-Dieter Böttcher, Colbond bv, The Netherlands  Proceedings of the 8th International Conference on Geosynthetics, Yokohama, Japan; 18-22 September 2006
	Functions of Enkadrain CK Henny Berkhout, Colbond Colbond Geosynthetics Partner News, Frequently Asked Questions, January 2001
	A question of know how! - Can Enkadrain replace drainage sand layers? Henny Berkhout, Colbond Colbond Geosynthetics Partner News, Frequently Asked Questions, December 1998
	The use of geosynthetics as vertical drainage screens in road construction Henny Berkhout, Colbond Paper of International Symposium on Subdrainage in Roadway Pavements and Subgrades, Granada, Spain; 11-19 November 1998
	An assessment of geocomposite drain performance after long-term site use N. Hytiris, Environmental Civil Engineering Division, Glasgow Caledonian University, United Kingdom Henny Berkhout, Colbond Proceedings of the 1st European Geosynthetics Conference, EuroGeo 1, Maastricht, The Netherlands; 30 September - 02 October, 1996
Erosion Control
	Long term efficiency of erosion control geomats G. P. Pinzani, HARPO spa, Italy G. Sauli, University of Udine, Italy Proceedings of the 8th International Conference on Geosynthetics, Yokohama, Japan; 18-22 September 2006
	Enkamat filled with a bitumen-bound mineral filter Henny Berkhout, Colbond Colbond Geosynthetics Partner News, Frequently Asked Questions, June 1999
	Oberflächennahe Böschungssicherung in Tagebaufolgelandschaften (available in German, only) J. Retzlaff, U. Jäckel, Colbond Geoysnthetics GmbH D. Krüger, Lausitzer und Mitteldeutsche Bergbau-Verwaltungsgesellschaft mbH 3. Altbergbau-Kolloquim, Freiberg, Germany; 2003
	Sofortiger und dauerhafter Erosionsschutz mit Geokunststoffen im Bereich von Fliessgewässern (available in German, only) J. Retzlaff, U. Jäckel, Colbond Geosynthetics GmbH Bautex 2004, Chemnitz, Germany
Miscellaneous
	Polymer resistance Henny Berkhout, Colbond Colbond Geosynthetics Partner News, Frequently Asked Questions, June 2001
	Measuring the vertical water permeability of geotextile filters Henny Berkhout, Colbond Colbond Geosynthetics Partner News, Frequently Asked Questions, June 2000
	Residual strength of PET after more than 12 years creep loading Wim Voskamp, Frans van Vliet, Jan Retzlaff, Colbond Proceedings of the 3rd Conference on Earth Reinforcement,  Kyushu, Japan; November 2001