Zaripova F.F., Faizulin A.I., Yumagulova G.R.
HEAVY METALS CONTENT IN A LIVER OF LAKE FROG RANA RIDIBUNDA PALLAS, 1771 IN BASHKIR ZAURALIE ^{[№ 6 ' 2009]}

Faizullin A.I.
FORMING, CONDITION AND FORECAST OF FAUNA VARIETY CHANGES IN BATRACHOFAUNA OF MIDDLE POVOLZHIE ^{[№ 6 ' 2009]}