@article{Walas:2018,
author
=
"Ł.Walas and W.Mandryk and P.Thomas and Ż.Tyrała-Wierucka and G.Iszkuło",
title
=
"Sexual systems in gymnosperms: A review",
journal
=
"Basic and Applied Ecology",
volume
=
"Vol. 31",
pages
=
"1--9",
year
=
"2018",
}