edited by Christian Schittich
Birkhäuser, 2002
Buku Teks
Knapp, Stephen, author
Rockport Publishers, 1998
Buku Teks
Redstone, Louis G.
McGraw-Hill, 1968
Buku Teks
Weilacher, Udo, author
Birkhauser, 1999
Buku Teks
Weilacher, Udo, author
Birkhauser, 1999
Buku Teks