@book{Walicka:2004,
author
=
"A.Walicka and E.Walicki",
title
=
"International Journal of Applied Mechanics and Engineering, ISSN: 1425-1655",
publisher
=
"University Press",
address
=
"Zielona Góra",
year
=
"2004",
volume
=
"Vol. 9(Special issue) ",
number
=
"Special issue",
}