@incollection{Niemetz12,
author = {Nora Niemetz and Karl-Heinz Kettl and Manfred Szerencsits and Michael Narodoslawsky},
title = {Economic and Ecological Potential Assessment for Biogas Production Based on Intercrops},
booktitle = {Biogas},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Sunil Kumar},
chapter = {9},
doi = {10.5772/31870},
url = {https://doi.org/10.5772/31870}
}