000 00260nam a22000857a 4500
008 210303b ||||| |||| 00| 0 eng d
050 _aQC521
245 _aPrinciples of electricity and magnetism,
_cPUGH, EMERSON M.
942 _2lcc
_hQC521 .P84 1962
999 _c1363
_d1363