13
by Mähler, Bettina; Schröder, Stefan
1. Aufl. - Frankfurt am Main : Cornelsen Scriptor, 1991
Book
16
by Händel, Rainer; Huber, Manfred N.
2. ed., reprinted - Wokingham [u.a.] : Addison-Wesley, 1995
Book
19
by Polheim, Karl Konrad
Paderborn [u.a.] : Schöningh, 2000
Book