@article { ISI:A1981LY83000010,
	title = {Comparison of procedures for testing the equality of survival distributions},
	journal = {Biometrics},
	volume = {37},
	number = {2},
	year = {1981},
	pages = {327-340},
	issn = {0006-341X},
	doi = {10.2307/2530421},
	author = {Joe, H and Koziol, J A and Petkau, A J}
}
