Prof. R. Plant, University of California, Editor in chief of COMPAG.

An outline of his speach is included here.

Prof. J. Pilz, Dept. of Statistics, University of Klagenfurt, Austria.

An outline of his speach is included here.

Dr. S. Wolfert, Agricultural Economics Institute Den Hague - Netherlands, President of EFITA.

An outline of his opening speach is included here.

Prof. G. Schiefer, Dept. of Food and Resource Economics, University of Bonn, Germany.

An outline of his speach is included here.