@article{Walaszek-Babiszewska:2009,
author
=
"A.Walaszek-Babiszewska and A.Kowal",
title
=
"Quality control in mineral preparation processes - theoretical aspects of accuracy of grained material parameters measurements",
journal
=
"Management-Poland",
number
=
"no 3",
pages
=
"95--101",
year
=
"1998",
}