000 002530000a22001090004500
080 _a51:621.3
_bC6
100 _aCooke, N.M.
245 _aMathematics for electricians and radiomen
260 _aLondon
_bMcGraw Hill
_c1942
300 _a604p.
942 _cBK
999 _c53102
_d53102