Wyniki
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Existence, the square of opposites, and two-dimensional logic
Ingolf Max
Logic and Logical Philosophy 2 (1994) s. 135-149 -
The human impact in Bory Tucholskie, north Poland : a Polish-Swedish palaeoecological research Project
Björn E. Berglund, Mervi Hjelmroos-Ericsson, Bożena Bogaczewicz-Adamczak, Grażyna Miotk
Acta Universitatis Lodziensis. Folia Archaeologica 13 (1990) s. 1, 3-11