TY  - JOUR
A1  - Sponholz, Barbara
T1  - Silicate karst in eastern Niger - a geomorphological study
N2  - No abstract available.
KW  - Niger <Ost>
Y1  - 1990
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-86846
ER  -