convened by them take place, for the purpose of covering such meetings, in accordance with the terms and conditions of agreements made by the United Nations or its specialized agencies with the Governments of such countries, or, in the absence of such an agreement, on terms and conditions similar to those contained in agreements made by the lJ nited Nations or its specialized agencies with other Member States; and ( /,) To all public information sources and services of the United Nations and the specialized agencies and to all meetings and conferences of the United Nations or of the specialized agencies which are open to the Press, equally and without <liscrimination.