000 00362nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a876921624
082 _a658
082 _b4034 W
100 _aWagner Harvey M.
245 0 _aPrinciple Of Operation R
250 _aSecond
260 _aNew Delhi
260 _bPHI
260 _c1989
300 _a1027
999 _c31917
_d31917