000 00237nam a2200085Ia 4500
008 160710s1957 xx 000 0 und d
245 _aENGINEERING NEWS RECORD VOL. 159 OCT-DEC 1957
260 _aNEW YORK
_bMCGRAW HILL
_c1957
942 _2ddc
_cB
999 _c31064
_d31064