000 002630000a22001090004500
245 _aMathematics for students of engineering and applied science
100 _aBenny, L.B.
260 _aLondon
_bO.U.P.
_c1954
080 _a51:62
_bB4
041 _aEN
942 _cBK
999 _c92914
_d92914