Search for: [Subject and Keywords = cereal crops] OR [Subject and Keywords = adventive plants] OR [Subject and Keywords = plant communities] OR [Subject and Keywords = ecology] OR [Subject and Keywords = Poland] OR [Subject and Keywords = Masovia] OR [Subject and Keywords = Uprawy zbożowe] OR [Subject and Keywords = Chwasty \-\- ekologia] OR [Subject and Keywords = Zespoły roślinne \-\- Polska \-\- Mazowsze \(region\)] OR [Title = Les associations des champs cultivés en Masovie. P. 1, Les associations messicoles] OR [Creator = Wójcik, Zdzisława]

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