@book{Walicki:2006,
author
=
"E.Walicki",
title
=
"International Journal of Applied Mechanics and Engineering, ISSN: 1425-1655",
publisher
=
"University Press",
address
=
"Zielona Góra",
year
=
"2006",
volume
=
"Vol. 11(1-4) ",
number
=
"1-4",
}