TY  - BOOK
AU  - Mark,F.Herman
AU  - Grayson,Martin
AU  - Eckroth,David
TI  - Encyclopedia of chemical technology: gravity concentration to hydrogen energy 
SN  - 0471020656
U1  - 660.0321 22
PY  - 1980///
CY  - New York
PB  - Wiley
KW  - Chemistry, Technical
KW  - Encyclopedias
N1  - Includes bibliographical references
ER  -