000 00251nam a2200097Ia 4500
008 160710s1970 xx 000 0 und d
100 _aENGINEERING NEWS RECORD
245 _aENGINEERING NEWS-RECORD,NOV.
260 _bMC GRAW-HILL
_c1970
942 _2ddc
_cB
999 _c40560
_d40560