Adrienne Grêt-Regamey, Bettina Weibel, Sven-Erik Rabe and Benjamin Burkhard (2017). A tiered approach for ecosystem services mapping. In Burkhard, B. & Maes, J. (Eds.) Mapping ecosystem services, 213-217. Sofia: Pensoft Publishers.
Adrienne Grêt-Regamey, Bettina Weibel, Sven-Erik Rabe and Benjamin Burkhard (2017). A tiered approach for ecosystem services mapping. In Burkhard, B. & Maes, J. (Eds.) Mapping ecosystem services, 213-217. Sofia: Pensoft Publishers.