@article{Dietz1997,
author = {Dietz, T. and Rosa, E.},
title= {Effects of population and affluence on CO2 emissions},
year = {1997},
doi = {10.1073/pnas.94.1.175},
journal = {Proceedings of the National Academy of Sciences of the USA},
volume = {94},
number = {1},
pages = {175--179},
}