1. Hierarchy—Perspectives for Ecological Complexity;Allen,1982
2. Toward a Unified Ecology;Allen,1992
3. New approaches to direct gradient analysis using environmental scalars and statistical curve-fitting procedures;Austin;Vegetatio,1984
4. Development and Perspectives of Landscape Ecology;Bastian,2002
5. Breckling, B., 1993. Naturkonzepte und Paradimen in der Ökologie: einige Entwicklungen. Wissenschaftszentrum Berlin für Sozialforschung gGmbH (WZB).