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245 _aPROCEEDINGS OF the twelfth International Conference on Soil Mechnics and Foundation Engineering Rio De Janeiro, 13-18 August 1989 3V. /
260 _aRotterdam :
_bA A Balkema ,
_c1989.
300 _aD F L 1250
942 _cGEN
999 _c113299
_d113299