denotes titles either for sale for noted price or to pick up free according to the rules.
this title is not in stock now, but will be obtained on demand by about one month.
PDF free   
PDF to buy   
PDF on demand
Cat. no.
Title
CZK
EUR
53950
Urbani C. B., Collingwood C. A., 1977: The zoogeography of ants (Hymenoptera, Formicidae) in Northern Europe. 32 pp.
295
12
52424
Urbani C. B., Graeser S., 1987: REM-Analysen an einer pyritisierten Ameise aus Baltischen Bernstein. 16 pp. Stutt. Beitr. Naturk., Ser. B, Nr. 133: 1-16.