71.   Negotiations continued over the weekend.

72.   Negotiations were continuing over fine points, some of them concerning translation, he said.

73.   Negotiations continued over the management of the state oil company, Petroleos de Venezuela.

74.   Negotiations have been under way since January and are expected to continue over the next few weeks.

75.   Network security experts continued over the weekend to search for the origin of Melissa.

76.   Nevertheless, he said, regular readings have continued over the years.

77.   Negotiations continue over widening Palestinian self rule in Israeli-occupied territories.

78.   Now that the project is operating, the political battle continues over repayment of the federal government.

79.   On the diplomatic front, negotiations were continuing over access to bases and airspace near Afghanistan.

80.   Painting at Lascaux continued over several thousand years.