TY  - BOOK
AU  - MIDDENDROF, WILLIAM H
TI  - WHAT EVERY ENGINEER SHOULD KNOW ABOUT INVENTRY
SN  - 0-8247-7497-3
U1  - 608 MID'M 
PY  - 1981///
CY  - NEWYORK
PB  - MARCEL DEKKER
KW  - INVENTIONS CREATIVE ABILITY IN TECHNOLOGY
ER  -