Citácia: PNP-LA Citácia: Red. Jan Vaněk: Problémy biologie krajiny.13. [sv.] Citácia: Vaněk, Jan (ed.): Progress in Soil Zoology :Proceedings of the 5th International Colloquium on Soil Zoology held in Prague September 17-22, 1973 /Organized by the Soil Zoology Committee of the International Society of Soil Science and by theCzechoslovak Academy of Sciences-Institute of Landscape Ecology
