@article{Pilawa:2009,
author
=
"B.Pilawa and A.Więckowski and M.Kozłowski and H.Wachowska",
title
=
"Numerical analysis of the lineshape of EPR spectra of bituminous coal modified in pottasium-liquid ammonia system",
journal
=
"Erdöl Erdgas Kohle",
volume
=
"Jahrg. 115",
number
=
"H. 6",
pages
=
"311--313",
year
=
"1999",
}