Measurement of velocity and concentration of nodules in vertical hydrotransport / Jerzy Sobota, Stanisław Boczarski, Leszek PETRYKA, Marcin ZYCH // W: OMS-2005 [Dokument elektroniczny] : the proceedings of the sixth (2005) ISOPE Ocean Mining Symposium (ISOPE OMS-2005) : exploration and survey, environment, mining systems and technology, processing technology, deep-ocean water upwelling, and gas hydrates : Changsha, Hunan, China, October 9–13, 2005 : conference proceedings / eds. Jin S. Chung, Shaojun Liu ; International Society of Offshore and Polar Engineers. — Wersja do Windows. — Dane tekstowe. — Cupertino, California : ISOPE, 2005. — 1 dysk optyczny. — S. 251–256. — Wymagania systemowe: Adobe Reader ; napęd CD. — Bibliogr. s. 255–256, Abstr.

The non-stationary two-phase flow evaluation by radioisotopes / Leszek PETRYKA, Marcin ZYCH, Radosław MURZYN // Nukleonika : the International Journal of Nuclear Research / Institute of Nuclear Chemistry and Technology, Polish Nuclear Society, National Atomic Energy Agency ; ISSN 0029-5922. — 2005 vol. 50 iss. 1, s. 43–46. — Bibliogr. s. 46, Abstr.. — International conference on Tracers and tracing methods : Ciechocinek, Poland, June 22-24, 2004. — tekst: http://www.nukleonika.pl/www/back/full/vol50_2005/v50n1p043f.pdf