@article{Kowal:2009,
author
=
"M.Kowal",
title
=
"Verification of physical relations for stressed wood at variable humidity",
journal
=
"Folia Forestalia Polonica : Polska Akademia Nauk ; Poznań : B : Drzewnictwo",
volume
=
"z. 30",
pages
=
"103--113",
year
=
"1999",
}