TY  - BOOK
ED  - Sensors Magazine
TI  - Sensors Expo Proceedings Chicago Illinois September 11-13, 1990 
U1  - 681.2 
PY  - 1990///
CY  - Peterborough, Nh : 
PB  - Helmers Publishing/Expocon Management Associates, 
KW  - Detectors Congresses
N1  - YN
ER  -