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Remmert H. 1980 - Okologie. Ein Lehrbuch - Springer-Verlag, Berlin, Heidelberg, New York, ss. 304, wyd. II popr. i uzup. [ISBN 3-540-09681-7]

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Rabotnov T. A. 1978 - Fitocenologija - Izdatel'stvo Moskovskogo Universiteta, Moskva, ss. 384

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