"Over the past few years, 12 proposals have been put forward by states, nuclear industry and international organizations, which aim at checking the spread of uranium enrichment and spent fuel reprocessing technologies, in particular by suggesting means of assuring nuclear fuel supplies and establishing international fuel cycle centres. This book contains an overview and analysis of the 12 existing proposals on multilateralization of the nuclear fuel cycle, including an evaluation of the pros and cons of the various projected international mechanisms" -- Summary, p.xiii.