Penton, Marjory books & textbook
Freshwater Macroinvertebrates of Northeastern North America
Peckarsky, Barbara L. Fraissinet, Pierre R. Penton, Marjory Conklin Jr., Don J.
Cornell University Press /1990-01-16 Paperback / 456 Pages
isbn-10: 0801496888 / isbn-13: 9780801496882
