000 00256nam a2200097Ia 4500
008 160710s1972 xx 000 0 und d
100 _aENGINEERING NEWS RECORD
245 _aENGINEERING NEWS-RECORD,NOV.-DEC.
260 _bMC GRAW-HILL
_c1972
942 _2ddc
_cB
999 _c40567
_d40567