State of the art volume Seventh International Conference on Soil Mechanics and Foundation Engineering = Volume sur l'etat actuel des connaissances : Septieme Congres International de Mecanique des Sols et des Travaux de Fondations. - International Conference on Soil Mechanics and Foundations Engineering (7th Mexico) 1969 (Mexico Sociedad Mexicana de Mecanica de Suelos, 1969)
Keywords: Soil mechanics