000 00351nam a2200121Ia 4500
008 231023s9999||||xx |||||||||||||| ||und||
020 _a9788120307520
041 _aeng
100 _aHelfrick, Albert D and Cooper, William D
_915352
245 0 _aModern electronic instrumentation & measurement techniques
260 _bPHI Learning
_c1990
942 _cBK
999 _c26389
_d26389