000
00278nam a2200109Ia 4500
008
220201s1998 xx 000 0 eng d
100
_a
HELFRICK, A.D. & COOPER, W.D.
245
0
_a
MODERN ELECTRONICS INSTRUMENTATION
260
_a
DELHI
_b
PHI
_c
1998
300
_a
446
942
_2
ddc
999
_c
67602
_d
67602