Welch, Paul Smith,
Limnological methods. - Philadelphia, Blakiston Co. [1948] - xviii, 381 p. illus. 24 cm.
Freshwater biology
Limnology.
574 BLA 1948 A023 Or.
Limnological methods. - Philadelphia, Blakiston Co. [1948] - xviii, 381 p. illus. 24 cm.
Freshwater biology
Limnology.
574 BLA 1948 A023 Or.