"A Dictionary of Ecology, Evolution and Systematics (2nd ed.)" by Lincoln et al. (1998)
- A measure of the similarity in species composition between two communities (A and B) using only binary (presence/absence) data calculated as Sj=c/(a+b+c), where c is the number of species common to both, and a and b are the numbers of species occurring only in communities A and B respectively.
- Lincoln, R., Boxshall, G. & Clark, P. 1998. A Dictionary of Ecology, Evolution and Systematics. ix + 361 pp. Cambridge University Press, Cambridge.