Roar, Per. 2011. ”An unfinished story: on ghostly matters and a mission impossible.” Teoksessa Johannes Birringer & Josephine Fenger (toim.). Tanz und WahnSinn / Dance and ChoreoMania. Leipzig: Henschel Verlag.
Roar, Per. 2011. ”An unfinished story: on ghostly matters and a mission impossible.” Teoksessa Johannes Birringer & Josephine Fenger (toim.). Tanz und WahnSinn / Dance and ChoreoMania. Leipzig: Henschel Verlag.