1. EOTA, Non-reinforcing hexagonal geogrid for the stabilization of unbound granular layers by way of interlock with the aggregate, EOTA Report TR41, 2012.
2. J.P. Giroud, An assessment of the use of geogrids in unpaved roads and unpaved areas, Proceedings of the Jubilee Symposium Polymer Geogrid Reinforcement, Institution of Civil Engineers, London, UK, 2009, pp. 23-36.
3. S. Fischer, Investigation of the geogrid-granular soil combination layer with laboratory multi-level shear box test, Special sessions on „Geosynthetics in Road Construction” EuroGeo 6, Ljubljana, Slovenija, 2016.
4. H. Konietzky, L.TE Kamp, T. Groeger, C.G. Jenner, Use of DEM to model the interlocking effect of geogrids under static and cyclic loading. Numerical Modelling in Micromechanics via Particle Methods, pp.3-11, Balkema, Leiden, Netherlands, 2004.
5. E. Tutumluer, Geogrid-aggregate interlock mechanism investigated, Special sessions on „Geosynthetics in Road Construction” EuroGeo 6, Ljubljana, Slovenija, 2016.