Popham, Edward J. [from old catalog]
Some aspects of life in fresh water / by Edward J. Popham. - Cambridge : Harvard University Press, c1961. - 123 p. : illus. ; 20 cm.
Includes Index.
61019580
Freshwater biology.
QH96 / .P67
574.5263 / POS
Some aspects of life in fresh water / by Edward J. Popham. - Cambridge : Harvard University Press, c1961. - 123 p. : illus. ; 20 cm.
Includes Index.
61019580
Freshwater biology.
QH96 / .P67
574.5263 / POS