000 00269nam a22000977a 4500
008 120627b xxu||||| |||| 00| 0 eng d
050 _aTK7871.58
_b.C53 1971
245 _aOPERATIONAL AMPLIFIERS
300 _a22
942 _2lcc
_cBK
_hTK7871.58.C53 1971
999 _c64463
_d64463