Biological equilibrium in ecosystems 3. Classification of ecosystems J. Looman OriginalPaper Pages: 337 - 365
Heinrich Walter Die vegetation osteuropas, nord- und zentralasiens Jaroslav Moravec Bookreviews Pages: 366 - 366
Transpiration in wet meadows and some other types of Grassland Milena Rychnovská Brief communications Pages: 427 - 432