Vina del mar 91 : IX Panamerican Conference on Soil Mechanics and Foundation Engineering = IX Congreso panamericano de mecanica de suelos e ingenieria de fundaciones
Congreso Panamericano de Mecanica de Suelos e Ingenieria de Fundaciones # (9 : 1991 : Vina del Mar) IX Panamerican Conference on Soil Mechanics and Foundation Engineering
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