@manual{Greinert:2018,
author
=
"A.Greinert and E.Płuciennik-Koropczuk and W.Szefner",
title
=
"Pellet na bazie osadów ściekowych, Patent #:005812757",
note
=
"Date of application: 30-10-2018",
year
=
"2018",
}