Pennak, Robert W.
Fresh-water invertebrates of the United States by Robert W. Pennak - 2d ed. - New York Wiley c1978 - xv, 803 p. ill. 26 cm.
"A Wiley-Interscience publication."
Freshwater invertebrates--United States
592 / .09 / 2973
Fresh-water invertebrates of the United States by Robert W. Pennak - 2d ed. - New York Wiley c1978 - xv, 803 p. ill. 26 cm.
"A Wiley-Interscience publication."
Freshwater invertebrates--United States
592 / .09 / 2973