@article{Pilawa:2009,
author
=
"B.Pilawa and A.Więckowski and B.Trzebicka",
title
=
"Numerical analysis of EPR spectra of coal, macerals and extraction products",
journal
=
"Radiation Physics and Chemistry",
volume
=
"Vol. 45",
number
=
"no 6",
pages
=
"899--908",
year
=
"1995",
}