@book {37638,
	title = {Percy Lavon Julian 1899{\textendash}1975. A Biographical Memoir},
	series = {Biographical Memoirs},
	volume = {52},
	year = {1980},
	publisher = {The National Academy Press},
	organization = {The National Academy Press},
	address = {Washington, DC},
	author = {Witkop, Bernhard}
}
