TY  - BOOK
AU  - Crawford, John T.,
AU  - Hustrulid,W.A.
TI  - Open pit mine planning and design
SN  - 0895202530
AV  - TN291 O63
PY  - 1979///
CY  - New York
PB  - American institute of mining, metallurgical, and petroleum engineers
KW  - Minería a cielo abierto
KW  - Congresos
ER  -