internetional seismic monitoring network and to initiate detailed investigation of other measures to monitor and verify compliance with such a treaty; urged all members of the Conference, in particular the nuclear-weapon States, to co-operate in fulfilling those tasks as called for, malia. in the Final Declaration of the Third Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (see A/C.1/40/9. annex I) (resolution 40181). At its forty-first session, the General Assembly urged that: (a) the Conferenca on Disarmament should commence practical work on a nuclear-test-ban treaty at the beginning of its 1987 session; (b) States members of the Conference, in particular the nuclear-weapon States, and all other States, should co-operate with the Conference in order to facilitate and promote such work: (c) the nuclear-weapon States, especially those which possessed the most important nuclear arsenals, should agree to appropriate verifiable, interim measures with a view to , realising a comprehensive nuclear-test-ban treaty; and (d) those nuclear-weapon States which had not yet done so should adhere to the Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and under Water; also urged the Conference (a) to take immediate steps for the establishment, with the widest possible participation, of an international seismic monitoring network with a view to the further development of its potential to monitor and verify compliance with a comprehensive nuclear-test-ban treatyj (b) to take into account the progress achieved by the A,&&~G Group of Scientific Experts to Consider International Co-operative Measures to Detect and Identify Seismic Events, including the exchange of wave-form data, and other relevant initiatives by individual States and groups of States; and (c) to initiate detailed investigation of other measures to monitor and verify compliance with such a treaty, including an internctional network to 
**Analysis**
This text appears to be related to international efforts to regulate and monitor nuclear testing, with a focus on the establishment of an international seismic monitoring network and the verification of compliance with a comprehensive nuclear-test-ban treaty. The text also mentions the role of the Conference on Disarmament and the nuclear-weapon States, which suggests a focus on international relations and diplomacy.

**Category**
Science and technology, International relations