TY  - BOOK
AU  -  Mitchell,David Ray
ED  - American institute of mining and metallurgical engineers. 
TI  - Coal Preparation
U1  - 662.62 22
PY  - 1950///
CY  - New York
PB  - The American Institute Of Mining And Metallurgical Engineers
KW  - Coal preparation
N1  - Includes bibliographical references and indexs (p.: 821 - 830)
ER  -