A symposium held at Liblice and Smolenice, 1 September-5 September 1961 under the auspices of UNESCO and of the National institutes of Health U. S. public Health Service
(1962)
Proc. of the International Symposium on the Use of Isotopes...., jointly organized by the IAEA and the FAO of the United Nations and held in Vienna, 7 - 11 May 1979
(1980)
