000 00255nam a2200097Ia 4500
008 160710s1969 xx 000 0 und d
100 _aENGINEERING NEWS RECORD
245 _aENGINEERING NEWS-RECORD,MAY-JUNE
260 _bMC GRAW HILL
_c1969
942 _2ddc
_cB
999 _c40549
_d40549