000 00246nam a2200097Ia 4500
008 160710s1968 xx 000 0 und d
100 _aENGINEERING NEWS RECORD
245 _aENGG NEWS RECORD, APRIL
260 _bMC GRAW HILL
_c1968
942 _2ddc
_cB
999 _c40537
_d40537