Compte rendu du premier seminaire organise par le Groupe de travail des problemes de la pollution de l'air de la Commission economique pour l'Europe des Nations Unies et tenu a Geneve, 16-20 novembre 1970
(1971)
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)