TY  - BOOK
AU  - Parker,Sybil P
TI  - Grolier concise encyclopedia of science & technology
SN  - 0717285251
PY  - 1984///
CY  - Danbury, Conn.,
PB  - Grolier International
KW  - Science
KW  - Dictionaries
KW  - Tecnology
N1  - First published 1978 by Mc Graw-Hill; Includes index; Bibliography : p.  1917 -1939
ER  -