TY  - BOOK
TI  - History of science and technology / 
SN  - 9718555048
AV  - Q 125 .H673 1988
U1  - FIL 608.7  
PY  - 1988///
CY  - Manila New York : 
PB  - Facts on File : Uni-Ed, 
N1  - Includes bibliographic reference and index
ER  -