000 00260nam a2200097Ia 4500
008 160710s1973 xx 000 0 und d
100 _aENGINEERING NEWS RECORD
245 _aENGINEERING NEWS-RECORD,JAN.-FEB
260 _bMC GRAW-HILL BOOK
_c1973
942 _2ddc
_cB
999 _c40568
_d40568