1

2 “... Policy and Nature Conservation at the University of Göttingen, Germany. He is well experienced in forest...”

3 “... at the Univer­ sity of Gottingen, Germany on July 5 through 28, 1973. The workshop was organized by Professor...”

4 “...-term ecosystem studies at Göttingen, Bayreuth, München, and Berchtesgaden, has been conceived...”