000 00392nam a2200133Ia 4500
001 8fb2629d01bc50561deffd66fedf12bba1ebaad1
008 140104s9999 xx 000 0 und d
100 _aLang, Johannes G
245 _aProgrammed Insstruction: Magnetic field /
_c Johannes G Lang
250 _a1st ed.
260 _bWiley Eastern Ltd.,
_aNew Delhi :
_cc1978.
942 _cBK
999 _c19641
_d19641