00273nam a2200109Ia 4500008004100000040001100041050001100052100001800063245004400081300001200125504002600137100410     1960   a   e      001 0 eng d  aABU Za  aQC 518  aYarwood, John 0aElectricity And MagnetismcJohn Yarwood  a2.;675p  aBibliography 665-666p