000 00300nam a22001217a 4500
082 _a621.3
_bHAM
_cL-9, P-61
100 _aHammond, S.B.
245 _aElectrical engineering/
_bS.B.Hammond.
260 _alondon:
_bMc GRAW- HILL Book CO.
_c1961.
300 _ax, p566.
_bill.
650 _aMCE
942 _cBK
999 _c5612
_d5612