Siker

Messages about the genus Secher (Siker)
Author(s)
Vilhelm Adolf Secher, Knud Secher
Year
1939
Publisher
Andr Fred Høst
Pages
386
Messages about the family Secher (Siker) III
Subtitle
Supplement
Author(s)
Ole Secher
Year
1979
Publisher
Copenhagen
Pages
117