„Hepatoblastoma in the light of Isotope Ratio Mass Spectrometry” Katarzyna Taran, Tomasz Frączek, Anna Sitkiewicz, Anita Sikora-Szubert, Józef Kobos, Piotr Paneth, „Isotopic signature of 4-nitrotoluene oxidation” Reto S. Wijker, Sarah Pati, Hans-Peter S. Kohler, Thomas B. Hofstetter, Paweł Adamczyk, Rafał Kamiński, Grzegorz Ciepielowski, Kamila Klajman, Piotr Paneth JOINT EUROPEAN STABLE ISOTOPES USER group MEETING (JESIUM 2016), Ghent University, Belgium, 4-9 September 2016