1
Corporate Authors:
Group Author:
Published: Pergamon Press,
Publication Dates: 1981.
;
Group Author:
Published: Pergamon Press,
Publication Dates: 1981.
2
Corporate Authors:
Group Author: ; ;
Published: Pergamon Press,
Publication Dates: 1981.
;
Group Author: ; ;
Published: Pergamon Press,
Publication Dates: 1981.