Researches About Yield Plane Figure and Size of Three Kinds of Yield Criterion in Geotechanics
YU Xiao-ya,LI Shu-qi,ZHANG Jian-hui
Journal of Hebei University (Natural Science Edition) . 2007, (2): 133 -136 .  DOI: 10.3969/j.issn.1000-1565.2007.02.008