@article {irtsangijtsang1999,
	title = {Cluster size diversity, percolation, and complex systems},
	journal = {Physical Review E},
	volume = {60},
	number = {3},
	year = {1999},
	pages = {2684-2698},
	author = {Ing Ren Tsang and Ing Jyh Tsang}
}
