000 00220 a2200097 4500
001 34507
100 _aS. Ritter
245 _aElectronic Motors
260 _aVirginia
_bReston Publications
_c1977
090 _c22789
_d22789
942 _aNUST-CAE
_cM
_c14212
999 _c269580
_d269580