01081nam--2200361---450 99000064038020331620240313110235.00064038USA010064038(ALEPH)000064038USA01006403820010925d1971----km-y0itay0103----baengUS||||||||001yyCategories for the working mathematicianNew YorkSpringer-Verlag1971IX, 262 p.ill.24 cmGraduate Texts in Mathematics50010003153472001Graduate Texts in Mathematics5512.55MAC LANE,S.26298ITsalbcISBD990000640380203316510 GTM 5 A2087 CBS51000108917510 GTM 5 B10077 CBS51000108916BKSCIPATTY9020010925USA01171620020403USA011713PATRY9020040406USA011644Categories for the working mathematician32403UNISA