@book{Świtka:2010,
author
=
"R.Świtka and A.Greinert",
title
=
"Civil and Environmental Engineering Reports, ISBN: 9788374813471",
publisher
=
"Oficyna Wydaw. Uniwersytetu Zielonogórskiego",
address
=
"Zielona Góra",
year
=
"2010",
}