BibTex format
@article{Watkins:2016:10.1007/s11214-015-0155-x,
author = {Watkins, NW and Pruessner, G and Chapman, SC and Crosby, NB and Jensen, HJ},
doi = {10.1007/s11214-015-0155-x},
journal = {Space Science Reviews},
pages = {3--44},
title = {25 Years of Self-organized Criticality: Concepts and Controversies},
url = {http://dx.doi.org/10.1007/s11214-015-0155-x},
volume = {198},
year = {2016}
}