000 00338nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aHELFRICK,A.D
245 0 _aMODERN ELECTRONICS INSTRUMENTATION & MEASURING TECHNIQUES
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1990
300 _a446
942 _2ddc
999 _c60898
_d60898