Proceedings of the Fourth Panamerican Conference on Soil Mechanics and Foundation Engineering : San Juan, Puerto Rico, June 1971 = Memorias del Cuarto Congreso Panamericano de Mecánica de Suelos e Ingeniería de Fundaciones.

Sponsored by Soil Mechanics and Foundation Division of the American Society of Civil Engineers; Institute of Engineers, Architects and Surveyors of Puerto Rico; Puerto Rico Section of the American Society of Civil Engineers

Includes bibliogr. references.

Vol. 1 (1971; 366 p.) : State-Of-The-Art-Papers = Escritos Sobre El Estado-Del-Arte ; Vol. 2 (1971; 402 p.) : Selected Papers = Escritos Seleccionados ; Vol. 3 (1972; 301 p.) : Discussion and Conference Record = Discusiones Y Minutas Del Congreso

Spanish and English.