@article{Wojtowicz:2009,
author
=
"W.Wojtowicz and J.Minge",
title
=
"EPR study of the (NH4)3H(SO4)2 monocrystal doped with Cu2+ ion",
journal
=
"Acta Physica Polonica A",
volume
=
"Vol. 70",
number
=
"no 6",
pages
=
"715--725",
year
=
"1986",
}