zace service ltd and z_soil.pc
"zace,z_soil,geotechnical engineering, software engineering, numerics in geotechnics, nonlinear finite element analysis, soil, rock and underground structures mechanics on microcomputers using plasticity theory, a software package for geotechnical engineering,thomas zimmermann,zimmermann, zsoil, engineering, geomechanics, geotechnics, underground, tunneling, excavation, dams, numerics,t.j.r hughes,t.belytschko...">