1
Agricultural ecosystem effects on trace gases and global climate change: symposium: proceedings : Denver, CO, 28.10.91.
Book
2
Combating global warming : the role of crop wild relatives for food security /
Book
3
Global change and terrestrial ecosystems : (first science conference of the global change and terrestrial ecosystems (GCTE) was held at the Marine Biological Laboratory, Woods Hole, Massachusetts, USA, in May 1994) /
Book