00299nam a2200085Ia 4500082001500000245012200015260004100137300001000178440002500188  aRR 011 LIS 0aList of seminars, study groups, expert groups, symposis and workshop held under the United Nations auspices 1946-1969  aGenevabUnited Nations Libraryc1970  a209p.  aReference List No. 3