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Methods of studying visible bird migration


Chris Merkord
  • Kumari, Eerik Academy of Sciences of the Estonian SSR, Baltic Commission for the Study of Bird Migration 1980 Tallin Estonia

    Translation of: Metodika izuchenii͡a vidimykh migrat͡siĭ ptit͡s.

    Translated from Russian by E. Rahi

    74 p. : ill. ; 20 cm.

    http://catalog.hathitrust.org/Record/000145571

    English 01/01/1980 No value No value



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