00286nam a2200121Ia 4500008004100000100001300041245002200054260004300076300000900119650001200128942000700140999001700147190216s9999||||xx |||||||||||||| ||und||  aLaud B B 0aElectro Magnetics  bNew Age International Publishersc1987  a335p  aPhysics  cBK  c33330d33330