530,173 MECHANICS Mechanics of biological solids.Proceedings of the Euromech Colloquium 68 Varna,Bulgaria, September 15-18,1975.Ed.by G.Brankov. Sofia 1977 Publ.House of the Bulgarian Academy of Sciences 8° s. 323,nlb. 1,il. Bulgarian Academy of Sciences Central Laboratory of Bicmechanics [Druga k.tyt. w jęz. bulg.]