4
by Clarke, A.
Berlin [u.a.] : Springer, 1986
Book
12
by Pick, Edgar
1981
Serial volume
13
New York, NY : Science Publ., 2005-
eJournal
14
by Maas, Paul
Würzburg : Kabitzsch, 1909
Book
20
by Schütt, Christine; Bröker, Barbara
2. Aufl. - Heidelberg : Spektrum Akademischer Verlag, 2009
Book