000 00245nam a2200121Ia 4500
654 _aELEC
100 _aIbbetson.W.S.
250 _a1st Ed.
245 _aAccumulation Changes.
260 _bPitman
_c1950
082 _bIBB
999 _c28185
_d28185
041 _aeng
655 _aD-24
546 _aText in English
300 _c23 cm.