000 00299nam a2200133Ia 4500
020 _a0710086342
082 _a515.9 LED/C
100 _aLederman, Walter
245 0 _aComplex Numbers
260 _bRoutledge And Kegan Paul
_aLondon
_c1962
300 _a62p
650 _aComplex Numbers
942 _cBK
999 _c9189
_d9189