The range expansion of animals and its causes, as demonstrated by 28 presently spreading species from Europe = O rozprzestrzenianiu sie zwierzat i jego przyczynach, na przykladzie...

by Nowak, Eugeniusz
Warsaw, Poland : Published for the Smithsonian Institute and the National Science Foundation by the Foreign Scientific Publications Dept. of the National Center for Scientific, Technical and Economic Information, 1975

Mammals = Ssaki : an outline of theriology /

by Kowalski, Kazimierz
Warsaw : Springfield, Va. : Published for the Smithsonian Institution and the National Science Foundation by Państwowe Wydawn. Naukowe ; Available from the U.S. Department of Commerce, National Technical Information Service, 1976