000			00387nam a2200157Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
020			_cPON12.5
040			_e15049 _aMAIN
041			_aEnglish
082			_a512.4 C661S
100			_aCohn, P M
245		0	_aSkew field constructions
260			_aCambridge _bCambridge University Press _c1977
300			_axii,142 p.
942			_cBK
999			_c214772 _d214772