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pro vyhledávání: '"Wauer, Roland"'
Autor:
Wauer, Roland H.
At the end of the twentieth century roughly 265 million people visited the 374 sites in the American National Park System. These places, designated and protected because of their significance to our nation's historical and natural heritage, contain s
Autor:
Wauer, Roland H., Wunderle,, Joseph M.
Publikováno v:
The Wilson Bulletin, 1992 Dec 01. 104(4), 656-673.
Externí odkaz:
https://www.jstor.org/stable/4163223
Autor:
Wauer, Roland H.
Publikováno v:
The Southwestern Naturalist, 1971 Jul . 16(1), 1-29.
Externí odkaz:
https://www.jstor.org/stable/3670095