00498nam a2200157Ia 4500082001800000100007900018245007500097260003400172300001000206440003800216500000500254653000600259700002400265700002600289700002500315  a516bSy989.GP  aSymposium on Geometry, Univ. of Utrecht, The Netherlands, Aug. 27-29, 1980  aGeometry; proceedingsbcEd. by E. Looijenga, D. Siersma and F. Takens  aBerlinbSpringer-Verlagc1981  a153p.  aLecture notes in Mathematicsv894  a  a   aLooijenga, E. ; ed.  aSiersma, D. ; jt. ed.  aTakens, F. ; jt. ed.