Proc. of the symp. on the Effects of ionizing radiations on seeds and their significance for crop improvement jointly sponsored by the Internat. atomik energy agency and the food and agriculture organization of the United Nations and hel
(1961)
Proc. of the Symp. on Res. into agro-technical methods aiming at increasing the productivity of crops --- arganized by The Agr. Section of the United Nations Economic Commission for Europe. Held at Geneve, Switzerland, 17-21 January 1983
(1983)
Proc. of an Internat. symposium on food preservation by irradiation jointly organized by the IAEA, the Food and Agr. Organization of the United Nations and the World Health Organization and held in Wageningen, 21-25 November 1977 : In tw
(1987)
Proc. of an Internat. symposium on food preservation by irradiation jointly organized by the IAEA, the Food and Agr. Organization of the United Nations and the World Health Organization and held in Wageningen, 21-25 November 1977 : In tw
(1987)