1
Greenhouse gas control technologies : proceedings of the 4th International Conference on Greenhouse Gas Control Technologies, 30 August - 2 September 1998, Interlaken, Switzerland /
Book
2
Non-CO2 greenhouse gases : why and how to control? : Proceedings of an international symposium [ Non-CO2 Greenhouse Gases], Maastricht, The Netherlands, 13-15 December 1993 /
Book