@conference{786766, author = {D Allan and Marc Weiss}, title = {The Variance of Predictability of Hydrogen Masers and of Primary Cesium Standards in Support of a Real Time Prediction of UTC}, year = {1994}, month = {1994-01-01 00:01:00}, publisher = {8^uth^ European Frequency and Time Forum , Weihenstephan, 1, GE}, language = {en}, }