1
2
Published: Athens, Ohio : Ohio Univ. Pr, 1974.
Book
3
4
Published: Berlin, 1983.
Book
5
Published: Aachen : Rheinisch-Westfälische Techn. Hochsch, 2000.
Book
6
7
8
9
Published: Göttingen : Wallstein-Verl, 1997.
Book