1
Changing by degrees: steps to reduce greenhouse gases.
Book
1991
2
Herausforderung Weltklima : Ozonloch, globale Erwärmung und saurer Regen.
Book
3
Limiting greenhouse effects : controlling carbon dioxide emissions : Dahlem workshop on limiting the greenhouse effects : options for controlling atmospheric carbon dioxide accumulation : report : Berlin, 09.12.90-14.12.90.
Book