@article{TUW-176147, author = {Rothacher, Markus and Boomkamp, H. and Angermann, Detlef and B{\"o}hm, Johannes}, title = {Subcommission 1.1 Coordination of Space Techniques, Report for the Period 2003-2007, IAG-Commission 1 - Reference Frames}, journal = {IAG-Bulletin}, year = {2007}, volume = {20}, pages = {13--24} }