000 00306nam a2200133Ia 4500
001 00058
008 190706s9999 xx 000 0 und d
082 _a621.194 S769
100 _aSPRING,H.M
245 0 _aBOILER OPERATORS GUIDE
260 _bMC GRAW, NEW YORK
_c1940
300 _a23X15
942 _cREF
_2DDC
999 _c9918
_d9918