00433nam a2200133Ia 4500082001900000100004000019245004900059260004800108300001400156490006300170500005600233500000500289700000500294  a511.6bB596.NP  aBillera, Louis J. and othersd eds.  aNew perspectives in algebraic combinatricsb  aCambridgebCambridge University Pressc1999  aix, 345p.  aMathematical Sciences Research Institute Publicationsv 38  a"Purchased under NBHM grant for the year 1999-2000"  a  a