TY - CONF A1 - Vollmer, Michael A1 - Möllmann, Klaus-Peter A1 - Karstädt, Detlef T1 - Lecture Demonstrations with Liquid Nitrogen T2 - In: Proceedings / ICPE-GIREP International Conference Hands on Experiments in Physics Education [Medienkombination] : Duisburg - Germany, August 23 - 28, 1998 / ed. Gernot Born ... - Duisburg : Didaktik der Physik, Univ. - 1999 ISBN 3-00-004409-4 Y1 - 2013 UR - https://opus4.kobv.de/opus4-fhbrb/frontdoor/index/index/docId/428 ER -