000			00339nam a2200157Ia 4500
008			140520s9999||||xx |||||||||||||| ||und||
100			_aGreen, J. A.
245			_aSets And Groups
260			_aLondon
260			_bEnglish Language Book Society
260			_c1965
300			_a84
350			_a0
365			_b2.7
365			_dRuppes
999			_c57042 _d57042