000			003810000a22001330004500
245			_aPurification of inorganic and organic materials : techniques of fractional solidification
100			_aZief, Morris, ed.
260			_aNew York _bM. Dekker _c1969
300			_a318 p., ill.
500			_aBibly : at the end of chapters
080			_a66.065 _bZ5
041			_aEN
942			_cBK
999			_c96146 _d96146