Maclean, R. A., & Cook, W. L. (1968). Practical field ecology (2nd ed.).
Chicago Style aipamenaMaclean, Rc And, and Wr Lvimey Cook. Practical Field Ecology. 2nd ed. 1968.
MLA aipamenaMaclean, Rc And, and Wr Lvimey Cook. Practical Field Ecology. 2nd ed. 1968.
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