Freshwater ecology : principles and applications /
Jeffries, Michael
Freshwater ecology : principles and applications / Michael Jeffries and Derek Mills - London : Belhaven Press, 1990 - 285 p. : ill. ; 23 cm.
p. 254-275
1852930217
Freshwater ecology
Man--influence on nature
Freshwater ecology : principles and applications / Michael Jeffries and Derek Mills - London : Belhaven Press, 1990 - 285 p. : ill. ; 23 cm.
p. 254-275
1852930217
Freshwater ecology
Man--influence on nature
