@book{Walicki:2003,
author
=
"E.Walicki",
title
=
"International Journal of Applied Mechanics and Engineering, ISSN: 1425-1655",
publisher
=
"University Press",
address
=
"Zielona Góra",
year
=
"2003",
volume
=
"Vol. 8(no 1-4) ",
number
=
"no 1-4",
}