books.google.at - Current thinking in evolutionary biology holds that competition among individuals isthe key to understanding natural selection. When competition exists, it is obvious that conflictarises; the emergence of cooperation, however, is less straightforward and calls for in-depthanalysis. Much research is now...http://books.google.at/books/about/Genetic_and_cultural_evolution_of_cooper.html?hl=de&id=aVh9jtWbG0wC&utm_source=gb-gplus-shareGenetic and cultural evolution of cooperation