Amorphous $a-C:N:H$ layers formation by plasma enhanced chemical vapour deposition / Krzysztof DUL, Iwona ŁAGOSZ, Stanisława JONAS, Wiesław PTAK // Inżynieria Materiałowa ; ISSN 0208-6247. — 2001 R. 22 nr 4, s. 296–298. — Bibliogr. s. 298, Abstr.. — AMT'2001 : XVIth physical metallurgy and materials science conference on Advanced Materials & Technologies : Gdańsk-Jurata, 16–20 September 2001. [Pt. 1]. — Warszawa : SIGMA NOT, 2001

Low temperature IR spectra of $a-C:N:H$ layers / S. JONAS, I. ŁAGOSZ, C. PALUSZKIEWICZ, W. S. PTAK // Journal of Molecular Structure ; ISSN 0022-2860. — 2001 vol. 596 iss. 1–3, s. 101–108. — Bibliogr. s. 107–108, Abstr.. — 3rd International Conference of the Vibrational Spectroscopy in Materials Science : 23–26 September 2000, Krakow, Poland. — tekst: https://www-1sciencedirect-1com-1000027wx0102.wbg2.bg.agh.edu.pl/science/article/pii/S0022286001006950/pdfft?md5=38838d70ebd6143af5844bc24a423fad&pid=1-s2.0-S0022286001006950-main.pdf

Preparation and properties of $a-C:H$ and $a-C:N:H$ layers / S. JONAS, T. STAPIŃSKI, E. WALASEK, A. Hilbig, I. ŁAGOSZ, G. KRUPA // Key Engineering Materials ; ISSN 1013-9826. — 2002 vols. 206–213, s. 571–574. — Bibliogr. s. 574. — ECRS seventh : Euro Ceramics VII : proceedings of the 7th conference & exhibition of the European Ceramic Society : Brugge, Belgium, September 9–13, 2001. Pt. 1 Sessions P1, P2, P3, G1. — Switzerland [et al.] : Trans Tech Publications, 2002. — ISBN 0-87849-882-6