TY  - BOOK
AU  - Parker,Sybil P.
TI  - McGraw-Hill concise encyclopedia of science & technology
SN  - 0070455120 :
AV  - Q121 .M29 1989
U1  - 503/.21 19
PY  - 1989///
CY  - New York
PB  - McGraw-Hill
KW  - Science
KW  - Encyclopedias
KW  - Technology
N1  - Includes bibliographical Index: p2140
ER  -