TY  - BOOK
TI  - The new illustrated science and invention encyclopedia: the new how it works.
SN  - 087475450X :
AV  - Q 123 .N532 1989
U1  - REF 503.21  
PY  - 1989///
CY  - Westport, Conn.
PB  - H.S. Stuttman
KW  - Science
KW  - Encyclopedias
KW  - Engineering
ER  -