000 00313nam a2200121Ia 4500
008 160710s1969 xx 000 0 und d
082 _a517.38 KER
100 _aKERSTEN,ROBERT D.
245 _aENGINEERING DIFFERENTIAL SYSTEMS
260 _bMCGRAW HILL BOOK COMPANY INC.
_c1969
300 _a236
942 _2ddc
_cB
999 _c36450
_d36450