1.
|
Berlin, Germany : Springer, 2019.
|
2.
|
Singapore : Springer, 2017.
|
3.
|
Heidelberg : Springer, 2015.
|
4.
|
|
5.
|
Dordrecht, Holland ; Cinnaminson, N.J., U.S.A. : Foris Publications, 1985. ©1984
|
6.
|
Frankfurt : Ontos Verlag, 2009.
|
7.
|
Dordrecht, Holland : Foris Publications, 1987, c1986.
|
8.
|
Dordrecht, Holland : Foris Publications, 1987, c1986.
|