Proc. of a Seminar organized by the Comiss. of the European Commun., Directorate-General Science, Res. and Dev. Environment Res. Programme, held in Athens, Greece, 14-15 May 1984
(1986)
Lectures of a course held at the Joint Res. Centre of the Commiss. of the European Communities in the framework of the ISPRA courses (ISPRA / Varese) Italy
(1981)
