Great rivers of the world /
Great rivers of the world /
National Geographic Society (U.S.)edited by Margaret Sedeen
- Washington, D.C. : National Geographic Society,, c1984.
- 448 p. : ill. ; 29 cm.
0870445375
Rivers.
River life.
Stream ecology.
GB1203.2 / .G74 1984
910.021693 / G798
0870445375
Rivers.
River life.
Stream ecology.
GB1203.2 / .G74 1984
910.021693 / G798