@article{TUW-120865, author = {Mendes Cerveira, Pj. and Weber, Robert and Schuh, Harald}, title = {The instantaneous Earth rotation - still inaccessible?}, journal = {{\"O}sterreichische Zeitschrift f{\"u}r Vermessung und Geoinformation (VGI), begutachteter Spezialband}, year = {2007}, volume = {Heft 2}, number = {95. Jahrgang}, pages = {113--120} }