Case study 1. The common lizard (Zootoca vivipara, anciently Lacerta vivipara) : a model system for the study of the causes, mechanisms, and consequences of dispersal / Jean Clobert -- Case study 2.
Based on a symposium entitled "Insect flight : dispersal and migration" held at the XVIIth International Congress of Entomology in Hamburg, Germany in August, 1984.