1 “... in The Hague in September 1974 by the International Association of Ecology (INTECOL), under the auspices...”

2 Table of Contents: “... The Hague to Copenhagen : why it failed then and why it could be different / Federica Bietta -- The European...”

3 “...The first international congress for ecology took place in 1974 in The Hague, its central theme...”

4 Table of Contents: “... International Symposium in Freiburg, FRG, May 1989. SPB Academic Publishing by, the Hague, the Netherlands, pp...”

5 “... gratitude to Dr John Clark and Miss Lois Hague for the very elegant new illustrations in Chapter 2...”