There have been a number of other conferences in the past, which are now discontinued.
He presided over a number of conferences during this time.
Each classification has a number of conferences for local play.
He also took part in a number of federal-provincial conferences.
A number of important international conferences have also taken place since 2006 on the subject.
This group organized a number of conferences on women in physics.
He performed it at a number of conferences and schools.
There have also been a number of international conferences on the topic.
There are a number of conferences going on right now in the city.
The institutions are also planning a number of common seminars and conferences.