51.   The cease-fire was supposed to begin Wednesday, but Muslim and Croatian troops continued to advance on the Bosnian Serb population center of Banja Luka.

52.   The Census Bureau also determines the population center of the United States at each census.

53.   The deal remains one of giving autonomy to Palestinian population centers, not giving Palestinians large blocks of territory.

54.   The earthshaking explosions were far away from population centers, and were tactical air support for Northern Alliance soldiers against front-line Taliban troops in the field.

55.   The exercises will include simulated ground attacks, he said, but will be conducted well away from population centers.

56.   The Declaration called for Israel to redeploy its military forces out of Palestinian population centers.

57.   The latest trend among major developers is to find sites nearer to large population centers, including those in the East and Midwest.

58.   The Philippines, for example, required cellular operators to extend their digital service to every major population center.

59.   The plows will be able to work only in areas controlled by the rebel Northern Alliance, not in passes leading to the main population centers.

60.   The U.N. commander in Knin, Col. Andrew Leslie, said the Croatians had been shelling population centers.