TY - BOOK ED - International Conference On Soil Mechanics And Fundation Engineering ED - Publications Committee Of Xii Icsmfe TI - Proceedings of the twelfth international conference on soil mechanics and foundation engineering SN - 96061918901 AV - TA710.A1 I57 1989 PY - 1980/// CY - Rotterdam PB - A. A. Balkema KW - Cimientos KW - Congresos KW - Mecánica de suelos ER -