@article{TUW-120739, author = {Schl{\"u}ter, W. and Schuh, Harald and Vandenberg, N.}, title = {Prospective Improvements of IVS Products and Evolvement of Observing Programs}, journal = {Journees / Systems de Reference Spatio-Temporels}, year = {2004}, volume = {Journees 2002}, number = {UMR 8630/CNRS}, pages = {56--59} }