U. Kastens, and M. Schmidt. European Symp. on Programming (ESOP '86), volume 213 of Lecture Notes in Computer Science, Springer-Verlag, New York--Heidelberg--Berlin, Saarbrücken.(March 1986)
U. Kastens. Programming Language Implementation and Logic Programming (PLILP
'93), volume 714 of Lect. Notes in Comp. Sci., page 1--11. Tallinn, Springer-Verlag, (1993)
U. Kastens. Attribute Grammars, Applications and Systems, volume 545 of Lecture Notes in Computer Science, Springer-Verlag, New York--Heidelberg--Berlin, Prague.(June 1991)
U. Kastens, P. Pfahler, and M. Jung. Compiler Construction CC'98, volume 1383 of Lect. Notes in Comp. Sci., portugal, Springer-Verlag, (April 1998)tool demonstration.