Biological plant and health protection: Biological control of plant pests and of vectors of human and animal diseases

著者: International Symposium of the Akademie der Wissenschaften
出版事項 1986

Sprachkunst beitrage zur literaturwissenschaft jahrgang

出版事項 1992

Contributions to extension theory of topological structures. Proceedings of the symposium held in Berlin, August 14-19, 1967.

著者: Flachsmeyer, J.
出版事項 1969