@book{67556,
	author = {Gregg, Davis Weinert},
	title = {Group life insurance},
	publisher = {Published for S.S. Huebner Foundation for Insurance Education, University of Pennsylvania, by R. D. Irwin},
	year = {[1957]},
	series = {S.S. Huebner Foundation for Insurance Education. Studies},
	address = {Homewood, Ill.},
	edition = {[Rev. ed.]},
	note = {Revision of thesis, University of Pennsylvania, published in 1960 under title: An analysis of group life insurance.}
}