@mastersthesis{TUW-229522, author = {Helekal, Alexander}, title = {Die Station Warkworth im globalen geod{\"a}tischen VLBI Netz}, school = {Department of Geodesy and Geoinformation}, year = {2014}, url = {http://www.ub.tuwien.ac.at/dipl/2014/AC11670602.pdf} }