APA

Matheis G., Colloquium on African Geology, . (1987). Current research in African earth sciences. Rotterdam [u.a.]: Balkema.

Chicago

Matheis Günter, Colloquium on African Geology, . 1987. Current research in African earth sciences. Rotterdam [u.a.]: Balkema.

Harvard

Matheis G., Colloquium on African Geology, . (1987). Current research in African earth sciences. Rotterdam [u.a.]: Balkema.

MLA

Matheis Günter, Colloquium on African Geology, . Current research in African earth sciences. Rotterdam [u.a.]: Balkema. 1987.