@book{ Solr-1482968, title = {List of seminars, study groups, expert groups, symposia and workshops held under the United Nations auspices 1946-1969.}, series = {Reference lists, no. 3}, editor = {United Nations Library (Geneva, Switzerland)}, editor = {Listes de références)}, address = {Geneva,}, year = {1970}, pages = {209}, note = {"ST/GENEVA/Lib/SER.B/Ref.3"}, }