1. Abram D (2004) Reciprocity. In: Foltz B, Frodeman R (eds) Rethinking nature. Indiana University Press, Bloomington, pp 77–92
2. Alberti M, Asbjornsen H, Baker LA, Brozović N, Drinkwater LE, Drzyzga SA, Jantz CA, Fragoso J, Holland DS, Kohler TA, Liu J, WJ MC, HDG M, Millington JD, Monticino M, Podestá G, Pontius RG, Redman CL, Reo NJ, Sailor D, Urquhart G (2011) Research on coupled human and natural systems (CHANS): approach, challenges, and strategies. Bull Ecol Soc Am 92(2):218–228
3. Andritzky M, Rautenberg T (eds) (1989) Wir sind nackt und nennen uns du. Anabas, Gießen
4. Apel K-O (1976) Transformation der Philosophie. Suhrkamp, Frankfurt/M
5. Attfield R (2014) Environmental ethics, 2nd edn. Polity Press, Cambridge