TY  - BOOK
AU  - Parker S.P.
AU  - Bidman Arthur.
TI  - McGraw - Hill Encyclopedia Of Science & Technology : : Vol- 4
SN  - 0-07-079292-5
U1  - 503.21 6th
PY  - 1987///
CY  - New York
PB  - McGraw - Hill Book Company
KW  - Science and Technology
ER  -