000 00307nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a661.9
_bPRI
100 _aPritchard, R
245 0 _aIndustrial gas utilization: Engineering principles and practice
260 _aGreat Britain
_bBowker
_c1977
942 _cBK
999 _c27278
_d27278