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)
Proc. of a course held at the Joint Res. Centre of the Commision of the European Communities in the Framework of the Ispa-Courses, Ispa, Varese, Italy, 6-10 April 1987
(1989)
