Spatial
Blöschl, Günter, Hans Thybo, and Hubertus Henricus Gerardus Savenije. A Voyage Through Scales: The Earth System in Space and Time. Baden: Edition Lammerhuber, 2015.
Lenton, Timothy M., Stuart J. Daines, James G. Dyke, Arwen E. Nicholson, David M. Wilkinson, and Hywel T. P. Williams. ‘Selection for Gaia Across Multiple Scales’. Trends in Ecology & Evolution 33, no. 8 (2018): 633–45. https://doi.org/10/gd3qcm.