TY  - BOOK
AU  - OBERT, LEONARD Y OTRO
TI  - ROCK IN STRUCTURES OF DESIGN THE AND MECHANICS ROCK
T2  - 0
U1  - 551.25 
PY  - 1967///
CY  - NEW YORK-U.S.A.
PB  - JOHN WILEY Y SONS
KW  - CIENCIAS PURAS
N1  - STRUCTURE-ROCK/MECHANICS-ROCK
ER  -