000 00335nam a2200133Ia 4500
008 210219s9999||||xx |||||||||||||| ||und||
082 _a621.396
_bL269E
100 _aLang, Johannes G.
245 4 _aThe electric field.
_c Johannes G.Lang
260 _aNew Delhi.
_bWEL.
_c1989
300 _a64p
942 _cBK
950 _o621.396 L269E
999 _c33315
_d33315