1. The resistance to breaking out of mushroom foundations for pylons;Balla,1961
2. Holding capacity of direct embedment anchors;Beard,1975
3. Soil mechanics and plastic analysis or limit design;Drucker;Quarterly Journal of Mechanics and Applied Mathematics,1952
4. Non-linear analysis of stress and strain in soils;Duncan;Journal of the Soil Mechanics and Foundations Division, ASCE,1970
5. Experimental investigation of the stability of bases of anchor foundations;Kananyan;Transrated from Osnovaniya, Fundamenty i Mekhaniko Gruntov,1966