@article{Słowik:2015,
author
=
"G.Słowik and A.Więckowski",
title
=
"Determination of the fraction of paramagnetic centers not-fulfilling the Curie law in coal macerals by the two-temperature EPR measurement method",
journal
=
"Nukleonika",
volume
=
"Vol. 60",
number
=
"no. 3",
pages
=
"389--393",
year
=
"2015",
}