00295nam a2200121Ia 4500082001700000100001500017245004300032260003400075300001500109490003900124500000500163700000500168  a514bM466.GI  aMay, J. P.  aThe geometry of lterated loop spacesb  aBerlinbSpringer-Verlagc1972  avii, 175p.  aLecture notes in Mathematicsv 271  a  a