000			003220000a22001330004500
245			_aThe hydrometer test
110			_aBritish Ceramic Society
260			_aStoke on Trent _c1974
300			_a22 p.
440			_aTesting methods for the pottery Industry
080			_a666.3.017 _bB7
041			_aEN
942			_cBK
999			_c104602 _d104602