@unpublished{TUW-183114, author = {Schuh, Harald}, title = {IAU Commission 19 'Rotation of the Earth' - Plan of the activities 2009-2012 (IAU Commission 19 Business Meeting)}, year = {2009}, note = {talk: IAU XXVIIth General Assemby, Rio de Janeiro; 2009-08-03 -- 2009-08-14} }