TY  - BOOK
AU  - Ramani, R. V.
ED  - American Institute of Mining, Metallurgical, and Petroleum Engineers.
TI  - Longwall-short wall mining, state of the art
SN  - 0-89520-288-3
AV  - TN155 L64
PY  - 1981///
CY  - New York
PB  - Society of mining engineers of the american institute of mining, metallurgical and petroleum engineers
KW  - Ingeniería de minas
KW  - Discursos, ensayos, conferencias
ER  -