000 00282nam a2200109Ia 4500
008 160710s1959 xx 000 0 und d
100 _aELONKA,S.M.
245 _aSTANDARD PLANT OPREATOR'S Q. & ANS.
260 _aNEW YORK
_bMCGRAW HILL
_c1959
300 _a263 TO 518
942 _2ddc
_cB
999 _c23910
_d23910