This yearbook continues SIPRI's annual analyses of developments in major armed conflicts, in conflict prevention, management and resolution, and in peacekeeping, developments in chemical and biological weapons, new military technology, world military expenditure, nuclear explosions, arms production, the arms trade, and nuclear, chemical, and biological arms control. Special Studies in this volume: BL area studies of the Middle East, Russia, and Europe BL armed conflict prevention, management and resolution BL information on multilateral observer, peacekeeping and electoral operations BL the comprehensive test ban treaty BL multilateral military-related export control measures BL the trade in major conventional weapons and conventional arms control