Productivity problems of freshwaters : (proceedings of IBP-UNESCO Symposium on Productivity Problems held in Kazimierz Dolny, Poland, May 6-12, 1970)
Corporate Authors: | Institute of ecology of Polish Academy of sciences, International Biological Programme, UNESCO |
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Other Authors: | Hillbricht-Ilkowska, Anna, Kajak, Z. |
Language: | English |
Published: |
Krakow:
PWN-Polish Scientific Pub,
1972.
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Subjects: |
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