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Gesellschaft im Mittelalter. Oldenbourg. p. 17. ISBN 978-3486550245.
Krzysztof Brzechczyn (2009).
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Graduate School of
International Studies,
Sogang University.
Krzysztof Brzechczyn, The
Collapse of Real
Socialism in
Eastern Europe. Adam
Mickiewicz University...
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Philosophy of Science, Vol. 41, No. 1, pg 48, Mar. 1974.
Krzysztof Brzechczyn, (ed.),
Idealization XIII:
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Krzysztof Brzechczyn (2009).
Idealization XIII:
Modeling in History. Rodopi. pp. 235–. ISBN 978-90-420-2831-9...
- has
media related to Vistulans. List of
medieval Slavic tribes Lechites Brzechczyn,
Krzysztof (2009),
Idealization XIII:
Modeling in History. Amsterdam:...
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fantastyki socjologicznej lat siedemdziesiątych i osiemdziesiątych", in:
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Brzechczyn,
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