1
Stable isotopes in ecology and environmental science /
Book
Subject (ZB): ...environmental protection...
Table of Contents 
2
European rivers and lakes : assessment of their environmental state.
Book
Subject (ZB): ...environmental protection...
3
Stable isotopes in ecology and environmental science /
Book
Lajtha, K.
1994
Subject (ZB): ...environmental protection...
4
Jahrbuch Ökologie. 1994 /
Book
Subject (ZB): ...environmental protection...
5
Ecology of estuaries : anthropogenic effects /
Book
Subject (ZB): ...environmental protection...