@article{Kowalak:2009,
author
=
"S.Kowalak and A.Jankowska and S.Zeidler and A.Więckowski",
title
=
"Sulfur radicals embedded in various cages of ultramarine analogs prepared from zeolites",
journal
=
"Journal of Solid State Chemistry",
volume
=
"Vol. 180",
number
=
"no 3",
pages
=
"1119--1124",
year
=
"2007",
}