TY  - BOOK
AU  - Lefond,Stanley J.
ED  - American Institute of Mining, Metallurgical, and Petroleum Engineers
TI  -  Industrial Minerals And Rocks : Nonmetallics Other Than Fuels - Volume 1
SN  - 0895204177
U1  - 553 20
PY  - 1983///
CY  - New York
PB  - Society Of Mining Engineers
KW  - Industrial minerals
KW  - Rocks
KW  - Mineralogy
N1  - Includes bibliographical references and indexs
ER  -