@article{Ziembicki:2011,
author
=
"P.Ziembicki and J.Bernasiński",
title
=
"Solar collector installations combined with heat substations",
journal
=
"Civil and Environmental Engineering Reports : University of Zielona Góra Press ; Zielona Góra",
volume
=
"No. 7",
pages
=
"35--46",
year
=
"2011",
}