1. Terrrestrial primary production and phytomass;Ajtay,1979
2. Biohistory, The interplay between human society and the biosphere;Boyden,1992
3. Archaeology as Human Ecology;Butzer,1984
4. The dynamics and value of ecosystem services;Costanza;Special Issue of Ecological Economics,2002
5. An Introduction to Ecological Economics;Costanza,1998