MFDBS 91, 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings

Bernhard Thalheim János Demetrovics Hans-Detlef Gerhardt MFDBS 91, 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings MFDBS Lecture Notes in Computer Science 495 Springer 1991 3-540-54009-1 db/conf/mfdbs/mfdbs91.html