Dynamics of $La_{2/3}Ca_{1/3}MnO_{3}$ doped with $^{57}Fe$ / J. ŻUKROWSKI, J. PRZEWOŹNIK, E. JAPA, K. KROP, K. Kellner, G. Gritzner // Acta Physica Polonica. B ; ISSN 0587-4254. — Tytuł poprz.: Acta Physica Polonica. — 2003 vol. 34 no. 2, s. 1521–1526. — Bibliogr. s. 1526. — International conference on Strongly Correlated Electron Systems (SCES'2002) : Kraków, Poland, July 10–13, 2002. — tekst: http://www-1actaphys-1uj-1edu-1pl-161no42x10246.wbg2.bg.agh.edu.pl/fulltext?series=Reg&vol=34&page=1521

Magnetic and structural properties of $DyMn_{2}H_{x}$ ($0≤ x≤ 4.2$) / J. PRZEWOŹNIK, J. ŻUKROWSKI, K. Freindl, E. JAPA, K. KROP // Journal of Alloys and Compounds ; ISSN 0925-8388. — 1999 vol. 284 iss. 1–2, s. 31–41. — Bibliogr. s. 40–41, Abstr.. — Publikacja dostępna online od: 1999-04-05. — tekst: https://www-1sciencedirect-1com-1000027od0075.wbg2.bg.agh.edu.pl/science/article/pii/S0925838898009360/pdfft?md5=6e2ff32f596ca0ef853979311b1e6d00&pid=1-s2.0-S0925838898009360-main.pdf

Spin and lattice dynamics of ${La_{2/3}Ca_{1/3}MnO_{3}}$ doped with ${1\%^{119}Sn}$ / Janusz PRZEWOŹNIK, Jan ŻUKROWSKI, Janusz CHMIST, Ewa JAPA, Andrzej KOŁODZIEJCZYK, Karol KROP, Karl Kellner, Gerhard Gritzner // Nukleonika : the International Journal of Nuclear Research / Institute of Nuclear Chemistry and Technology, Polish Nuclear Society, National Atomic Energy Agency ; ISSN 0029-5922. — 2004 vol. 49 suppl. 3 spec. iss., s. 37–42. — Bibliogr. s. 41–42, Abstr.. — Proceedings of the All-Polish seminar on Mössbauer spectroscopy OSSM'04 : June 6–9, 2004, Wisła, Poland

Structure and magnetic properties of nanoparticles trapped in a carbon matrix along with the catalytic growth of carbon nanotubes / Adina Morozan, H. FIGIEL, J. ŻUKROWSKI, Ewa JAPA, W. TOKARZ, Anca Dumitru, Ioan Stamatin // Materials Science and Engineering. C, Biomimetic Materials, Sensors and Systems ; ISSN 0928-4931. — 2007 vol. 27 iss. 5–8, s. 1167–1170. — Bibliogr. s. 1170, Abstr.. — Publikacja dostępna online od: 2006-10-16. — Symposium on Current trends in nanoscience - from materials to applications held at the 2006 E-MRS Spring Meeting : Nice, France, May 29–June 02, 2006. — tekst: https://goo.gl/gCCCpn

The lattice dynamics of $La_{0.67}Ca_{0.33}Mn_{1-x}^{57}Fe_{x}O_{3}(x=0.03,0.05)$ system seen by $^{57}Fe$ Mössbauer spectroscopy / Dorota WILGOCKA-ŚLĘZAK, Jan ŻUKROWSKI, Janusz PRZEWOŹNIK, Ewa JAPA, Karol KROP // Molecular Physics Reports ; ISSN 1505-1250. — 2000 vol. 30, s. 174–180. — Bibliogr. s. 180, Abstr.. — All-Polish seminar on Mossbauer spectroscopy : Radom, Poland, June 12-14, 2000. — ISBN10 83-87671-73-8