TY  - BOOK
AU  - Parker S.P.
AU  - Biderman Arthur, at al.
TI  - McGraw - Hill Encyclopedia Of Science and Technology : : Vol - 12
SN  - 0-07-079292-5
U1  - 503.21 6th
PY  - 1987///
CY  - New York
PB  - McGraw - Hill Book Company
KW  - Science and Technology
ER  -