Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact 002002164569 cql: author exact 0000-0002-1674-4931 Add to list Journal Article A1 Petrov type D pure radiation fields of Kundt’s class Liselotte De Groote (UGent) , Norbert Van den Bergh (UGent) and Lode Wylleman (UGent) (2010) JOURNAL OF MATHEMATICAL PHYSICS. 51(10).