@article{Piwowar:2016,
author
=
"A.Piwowar and M.Dzikuć and J.Adamczyk",
title
=
"Agricultural biogas plants in Poland - selected technological, market and environmental aspects",
journal
=
"Renewable and Sustainable Energy Reviews",
volume
=
"Vol. 58",
pages
=
"69--74",
year
=
"2016",
}