@article{Cyganiuk:2009,
author
=
"J.Cyganiuk and P.Kuryło and E.Tertel",
title
=
"The influence of an effective friction angle on the velocity of material of group III, leaving the impact plate",
journal
=
"International Journal of Applied Mechanics and Engineering",
volume
=
"Vol. 14",
number
=
"no 4",
pages
=
"929--939",
year
=
"2009",
}