1. Handbook of mathematical functions: With formulas, graphs, and mathematical tables;Abramowitz,1972
2. The Theory of Poverty Traps: What have we learned?;Azariadis,2006
3. The poverty-environment trap in a modified Romer model with dirtiness;Bella;Environmental Modeling & Assessment,2013
4. Impacts, adaptation and vulnerability, Contribution of working group II to the fourth assessment report of the IPCC;Climate Change, IPCC;ISBN,2007
5. North-South trade and the global environment;Chichilnisky;The American Economic Review,1994