Singularities, representation of algebras, and vector bundles proceedings of a symposium held in Lambrecht/Pfalz, Fed. Rep. of Germany, Dec. 13-17, 1985 / G.-M. Greuel, G. Trautmann (eds.). - Greuel, G.-M (Gert-Martin); Trautmann, Gunther (Lecture notes in mathematics (Springer-Verlag) ;, 1987)