Frisch, Otto von.
Animal migration / Otto Von Frisch. - London : Collins, 1969. - 125 p. : ill. (some col.), col. maps. - International library .
Col. illus. on lining papers.
Bibliography: p. 124.
0001001167
73087734
Animal migration--Juvenile literature.
Animal migration / Otto Von Frisch. - London : Collins, 1969. - 125 p. : ill. (some col.), col. maps. - International library .
Col. illus. on lining papers.
Bibliography: p. 124.
0001001167
73087734
Animal migration--Juvenile literature.