Garlot Elisabeth. A Follow-up to the Bucharest Conference. The «POPINS» Project of Information Exchange in Demography. It was at its 17th Session (November 1973) that the United Nations Population Commission promoted the idea of an " international bibliographic system on population matters ". Any system of this kind relies on the existence of a documentary language, accepted by all and accompanied by precise rules concerning the indexing and the retrieval of documents, and by a network connecting the documentation centres in charge of gathering and retrieving the information. The author explains how CICRED constructed this documentary language, which will be published, in 1978, in the form of a multilingual thesaurus (English, French and Sp...