000 00593nam a2200217Ia 4500
005 20241216010510.0
008 180423s9999||||xx |||||||||||||| ||und||
082 _a551.25
_bO23
100 _aOBERT, LEONARD Y OTRO
245 0 _aROCK IN STRUCTURES OF DESIGN THE AND MECHANICS ROCK
250 _a0
260 _aNEW YORK-U.S.A.
_bJOHN WILEY Y SONS
_c1967
300 _a650 pag
_c23 cm
341 _h0
490 _v0
_a0
505 _aSTRUCTURE-ROCK/MECHANICS-ROCK
541 _aD
_bBANCO MINERO DEL PERU
_d31-May-94
650 _aCIENCIAS PURAS
856 _zCC. Puras
942 _cLIBRO
999 _c16072
_d16072