TY  - BOOK
AU  - Sybil P.Parker
TI  - McGraw-Hill concise encyclopedia of science and technology
SN  - 0-07-045512-0
AV  - REF Q121.M29 
PY  - 1989///
CY  - New York
PB  -  : McGraw-Hill
KW  - Science,
KW  - Dictionaries
KW  -  Technology
ER  -