Standard deviation of the mean of autocorrelated observations estimated with the use of the autocorrelation function estimated from the data / Andrzej ZIĘBA, Piotr RAMZA // Metrology and Measurement Systems : quarterly of Polish Academy of Sciences ; ISSN 2080-9050. — Tytuł poprz.: Metrologia i Systemy Pomiarowe ; ISSN: 0860-8229. — 2011 vol. 18 no. 4, s. 529–542. — Bibliogr. s. 542, Abstr.

The methodology of investigation the particle statistics effect in X-rays diffraction / Piotr RAMZA // W: Proceedings of the ISD workshops : [Szczyrk, from 9\textsuperscript{th} till 15\textsuperscript{th} June 2013] / eds. Marcin Perzanowski [et al.] ; AGH University of Science and Technology. Faculty of Physics and Applied Computer Science. — Kraków : FPACS AGH UST, 2013. — ISBN: 978-83-925779-3-5. — S. 41–43. — Bibliogr. s. 43