000 00291nam a2200121Ia 4500
008 160710s1948 xx 000 0 und d
082 _aHAR
100 _aHARTOG,J.P.DEN
245 _aMAECHANICS
260 _aNEW YORK
_bMCGRAW-HILL BOOK COMPANY INC.
_c1948
300 _a461
942 _2ddc
_cB
999 _c24165
_d24165