@unpublished{TUW-191219, author = {Heinkelmann, Robert and B{\"o}hm, Johannes and Nilsson, Tobias and Schuh, Harald}, title = {Retrieval of atmospheric water vapor by geodetic VLBI}, year = {2010}, note = {talk: AGU Fall Meeting 2010, San Francisco, USA; 2010-12-13 -- 2010-12-17} }