@book{20238,
	author = {Graff, Samuel,},
	title = {Essays in biochemistry : },
	publisher = {Wiley, },
	year = {1956 },
	address = {New York : },
	note = {Written in honor of Hans Thacher Clarke, on the occasion of his retirement as professor and chairman of the Department of bio-chemistry, College of Physicians and Surgeons, Columbia University.}
}