00339nam a2200121Ia 4500008004100000082000900041100001700050245002100067260005400088300001100142490004800153500001600201260610b        |||||||| |||| 00| 0 eng d  aCD33  aLevine, Marc  aMixed motivesb/  aProvidence:bAmerican Mathematical Society,c1998  aOne CD  aMathematical surveys and monographsv v. 57  aAMS Webpage