Eleanor Milne, Henry Neufeldt, Todd Rosenstock, Mike Smalligan, Carlos Eduardo Cerri, Daniella Malin, Mark Easter, Martial Bernoux, Stephen Ogle, Felipe Casarim, Timothy Pearson, David Neil Bird, Evelyn Steglich, Madelene Ostwald, Karolien Denef & Keith Paustian in IOP Science «Environmental Research Letters» Vol.8, Nr 1- 19 February 2013