TY  - BOOK
TI  - McGraw - hill  encyclopedia of science and technology: an international reference work in Twenty volumes including an index
SN  - 0070792925
AV  - Q121 .M3
PY  - 1987///
CY  - New York
PB  - McGraw - hill
KW  - Encyclopedia
KW  - Science
KW  - Dictionaries
KW  - Technology
ER  -