ICG 8 - 2006 Yokohama Japan D.1.05 Comparison of designs based on standard tests with on site measurements of the reinforcement effect of geogrids in executed road projects.pdf J. Voskamp, Retzlaff, W. Access
ICG 8 - 2006 Yokohama Japan D.1.07 The effect of geogrids under unbound sub base layers.pdf J. Turczynski, Retzlaff, S., U. Schwerdt Access
EuroGeo 3 - 2004 Munich Germany C.7.3 From laboratory tests to geotechnical practice pullout and direct shear tests for geotechnical calculations.pdf C., J., Recker, Retzlaff Access
