000 00232nam a2200085 4500
080 _a621.38
_b: 51 JOH.77
245 _aCalculations in industrial electronics and instrumentation
100 _aJohn, V.K.M
260 _aDelhi
_bKhanna Pub.
_c1977
300 _aviii+331p
999 _c30812
_d30812