000
00278nam a2200109Ia 4500
020
_a
9788120307520
082
_a
621.3815
100
_a
HELFRICK ALBERT D.
245
_a
MODERN ELECTRONICS INSTRUMENTATION AND MEASUREMENT TECHNIQUES
260
_a
NEW DELHI
_b
PHI
_c
1990
942
_c
BK
999
_c
3489
_d
3489