000 00254nam a2200097Ia 4500
008 160710s1969 xx 000 0 und d
100 _aENGINEERING NEWS RECORD
245 _aENGINEERING NEW-RECORD,SEP.-OCT.
260 _bMCGRAW-HILL
_c1969
942 _2ddc
_cB
999 _c40551
_d40551