@book{15536,
	author = {Workshop of the Vatican Observatory and Corbally, C. J., ed. and Astronomical Society of the Pacific },
	title = {The MK process at 50 years-a powerful tool for astrophysical insight},
	publisher = {Astronomical Society of the Pacific},
	year = {1994},
	series = {ASP conference series; v. 60},
	address = {California}
}