The significance of the fact that a meeting of the so-called Quartet was held immediately after the summit should be noted.

Of the five quartets, most scholars believe the so-called First Quartet was probably his fifth and last.

The visiting members of the so-called quartet were supposed to hold a joint news conference this afternoon with Mr. Powell at the State Department.

The administration's peace plan was worked out over many months by the so-called quartet, supported by three important Arab allies, Jordan, Egypt and Saudi Arabia.

The plan was developed by the so-called quartet of the United States, the United Nations, the European Union and Russia.

The plan was drawn up by the so-called Quartet of the United States, the United Nations, the European Union and Russia.

The new peace plan was drawn up in December by a so-called quartet of the United States, Russia, the United Nations and the European Union.

The diplomat made the remarks to other members of the so-called quartet, consisting of the United Nations, the European Union, Russia and the United States.

The three other members of the group that developed the plan, the so-called "quartet" - the United Nations, the European Union and Russia - are unhappy about the delay.

Russia is part of the so-called quartet of Middle East mediators, which also includes the United States, the European Union and the United Nations.