@InProceedings{Walter:2009,
author
=
"R.Walter and P.Lubiński",
title
=
"NGC 4151 with INTEGRAL: reflection on IC emission",
booktitle
=
"The Extreme sky : Sampling the Universe above 10 keV",
address
=
"Otranto, Włochy",
publisher
=
"[B. m.] [brak wydawcy] ",
volume
=
"Proceedings of Science",
pages
=
"[6]",
year
=
"2009",
}