Proceedings of a symposium, Vienna, 1–5 September 1986. The symposium gathered together specialists from developed and developing countries to discuss problems involved in radiotherapy in developing countries, including the lack of facilities, aggravated by a severe shortage of drugs, and ways of improving the situation. The symposium was the first major meeting of its kind to take stock of the prevailing situation and to assess the magnitude of the various problems.
Contents: Radiation therapy for carcinoma of the cervix; Different approaches in radiation therapy; Hyperthermia; Chemical modifiers; Dosimetry and technology; Organization of radiation therapy in developing countries.

Proceedings of a symposium, Hannover, Germany, 3–7 March 1986. The purpose was to review advances made in the area of siting, design and construction of underground repositories for radioactive wastes and to consider developments of future importance. Forty-nine papers were presented, covering general approaches and regulatory aspects, disposal in shallow ground and rock cavities, disposal in deep geological formations and safety assessments.
Contents: Keynote address: Are we ready to construct and operate an underground repository? General approaches and regulatory aspects; Disposal in shallow ground and rock cavities; Disposal in deep formations: Investigations on sites; Disposal in deep formations: Repository designs; Safety assessment; PaneI: Performance and safety assessments and their interactions with field investigations of deep geological repositories; Overview of symposium.

Proceedings of a symposium organized in co-operation with the United States Nuclear Regulatory Commission and Battelle Columbus Laboratories, Columbus, Ohio, from 28 October to 1 November 1985. Five topics related to source term evaluation were selected for review and discussion, namely in-vessel release, retention in the primary circuit, ex-vessel release, retention in the containment and release from the plant.
Contents: Opening session; In-vessel release; Retention in the primary circuit; Ex-vessel release; Retention in containment; Containment challenges (Panel A); Release from the plant; Regulatory implications (Panel B).