@incollection{Bratt12,
author = {Leif Bratt},
title = {Three Totally Different Environmental/GDP Curves},
booktitle = {Sustainable Development},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Chaouki Ghenai},
chapter = {15},
doi = {10.5772/26616},
url = {https://doi.org/10.5772/26616}
}