@unpublished{TUW-274880, author = {Jacobs, Chris and De Witt, A. and Gordon, David and Quick, Jonathan and McCallum, Jamie and Krasna, Hana and Soja, Benedikt}, title = {K-band Celestial Reference Frame Roadmap}, year = {2018}, note = {talk: VLBI Workshop 2018, Naval Observatory USA; 2018-11-01} }