01090nam--2200349---450-99000106991020331620020417131358.0000106991USA01000106991(ALEPH)000106991USA0100010699120020417d1981----km-y0itay0103----baengDE||||||||001yyGeometry Symposium Utrecht 1980BerlinSpringer verlag1981153 p.ill.24 cmLecture notes in mathematics8942001Lecture notes in mathematics894516ITsalbcISBD990001069910203316510 LNM 89411207 CBS51000109998BKSCIPATTY9020020417USA011313PATRY9020040406USA011714Geometry symposium Utrecht 1980262517UNISAedings of a Symposium held at the University of Utrecht, The Netherlands, August 27-29, 1980d by E. Looijenga, D. Siersma and F. Takens