@incollection{Fridell12,
author = {Harald M. Hjelle and Erik Fridell},
title = {When is Short Sea Shipping Environmentally Competitive?},
booktitle = {Environmental Health},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Jacques Oosthuizen},
chapter = {1},
doi = {10.5772/38303},
url = {https://doi.org/10.5772/38303}
}