@article{Machelski:2009,
author
=
"C.Machelski and J.Michalski and L.Janusz",
title
=
"Deformation factors of buried corrugated structures",
journal
=
"TRANSPORTATION RESEARCH RECORD",
volume
=
"No 2116",
pages
=
"70--75",
year
=
"2009",
}