@article{TUW-120776, author = {Haas, R. and Andersen, P.H. and Dehant, Veronique and Mathews, P.M. and Schuh, Harald and Titov, Oleg}, title = {Report of the IAG/ETC Working Group 6/1 (VLBI)}, journal = {Bulletin d'Information des Marees Terrestres (BIM)}, year = {2001}, volume = {No. 134}, pages = {10541--10547} }