SCHMIDT H., SOLLE G. (eds.). - Festschrift for the seventieth birthday of Rolf Richter.

 Proceedings of the Senckenberg Natural History Society, Mertens (ed.), 485, Frankfurt a. M., 336 pp.
 54 plates. 3 maps. 11 articles on geological, mineral deposit, stratigraphic and paleontological topics.
 Original full cloth binding stained, small tear (spine), interior and inserts in perfect condition!