TY  - BOOK
AU  - Casagrande, Arthur.
AU  - Covarrubias, Sergio W., coaut.
ED  - Harvard University
TI  - Tension zones in embankments caused by conduits and cutoff -walls / by Arthur Casagrande and Sergio W. Covarrubias
CY  - Cambridge, Mass. : Harvard University
N1  - "Report to U.S. Army Engineer Waterways Experiment Station - in partial fulfillment of Contract no. DACW39-69-C-0029 wi-th Harvard University"
ER  -