@book{Kuczma:2011,
author
=
"M.Kuczma",
title
=
"Civil and Environmental Engineering Reports Prace z Inżynierii Lądowej i Środowiska, ISSN: 2080-5187",
publisher
=
"University of Zielona Góra",
address
=
"Zielona Góra",
year
=
"2011",
}