@Presentation {1360, title = {Why Christmas Trees are Green and Santa Claus is Dutch}, year = {2006}, month = {11}, publisher = {ELCG}, address = {Geneva}, keywords = {ELCG, inter-faith, science communication}, doi = {SOURCE}, url = {http://test-static-05.web.cern.ch/sites/test-static-05.web.cern.ch/files/Presentations/2006-11-24_christmass_unplugged/ELCG_Xmas_special.pdf}, author = {Steinhagen, Ralph J} }