000 00317nam a2200121Ia 4500
008 220201s1991 xx 000 0 eng d
041 _aENG
100 _aGRAF, RUDOLF F
245 0 _aELEMENTARY ENGINEERING MATHEMATICS
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1991
300 _a485
942 _2ddc
999 _c56669
_d56669