000 00261nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a053.62
_bBET
100 _aBetts, John E
245 0 _aPhysics for technology
260 _aReston
_bReston
_c1976
942 _cBK
999 _c30654
_d30654