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Copper and Zinc Toxicity to the Gray Treefrog (Hyla Chrysocelis) and the Northern Leopard Frog (Rana Pipiens)

Jennifer A. Gottschalk

出版	Clemson University, 1995
URL	http://books.google.com.hk/books?id=oyKINwAACAAJ&hl=&source=gbs_api