TY  - BOOK
AU  - Sharma, M. C.
TI  - Easy to build electronic alarms
SN  - 8183330940
U1  - 621.38928 22
PY  - 1976///
CY  - New Delhi
PB  - BPB Publications
KW  - Electrical & electronics engineering
KW  - Security alarm devices
N1  - EEE
ER  -