Description
Published:-1980.
Began in 1966 or 1967.
Item Description:Some volumes have also a distinctive title.
Each meeting held in a different city.
Physical Description:volumes : portraits ; 23 cm.
Publication Frequency:Annual.
Source of Description, Etc. Note:Description based on: 1967.
Action Note:committed to retain
Numbering Peculiarities Note:Vols. for <1967>-1980 cover <30th>-43rd meetings.