Mammoth Cave [electronic resource] : A Human and Natural History / edited by Horton H. Hobbs III, Rickard A Olson, Elizabeth G Winkler, David C. Culver..    Springer eBooks.  Cham : Springer International Publishing : Imprint: Springer, 2017. . X, 275 p. 179 illus., 136 illus. in color.
Plný text pro studenty a zaměstnance UPOL