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, armsproduction, the arms trade, and nuclear, chemical, and biological arms control.Special Studies in this volume:* area studies of the Middle East, Russia, and Europe* armed conflict prevention, management and resolution* information on multilateral observer, peacekeeping and electoral operations* the comprehensive test ban treaty* multilateral military-related export control measures* the trade in major conventional weapons and conventional arms control