@InProceedings{Duber:1983,
author
=
"S.Duber and A.Więckowski",
title
=
"Effect of solvents on the molecular phases in coal",
booktitle
=
"Radio and Microwave Spectroscopy - RAMIS - 83 Proceedings of the 10th Conference",
address
=
"Poznań, Polska",
publisher
=
"Poznań Adam Mickiewicz University Scientific Press ",
volume
=
"Series : Physics ; 53",
pages
=
"291--294",
organization
=
"Adam Mickiewicz University",
editor
=
"ed. N. Piślewski",
year
=
"1983",
}