Fritz S, Scholes RJ, Obersteiner M, Bouma J, Reyers B (2008)
A conceptual framework for assessing the benefits of a Global Earth Observation System of Systems
Systems Journal, IEEE, 2(3):338-348 (September 2008) More
Steffen W, Andreae MO, Bolin B, Cox PM, Crutzen PJ, Cubasch U, Held H, Nakicenovic N, Scholes RJ, Talaue-McManus L, Turner II BL (2004)
Abrupt Changes: The Achilles' Heels of the Earth System
IIASA Reprint RP-04-006 ( 2004) More