@book{47521,
	author = {Van Zyl, J. A.},
	title = {The microbiology of south african winemaking : II. The preservation of musts and wines with pyrocarbonic acid dietnyl ester},
	note = {Sobretiro de: S. Afr. J. Agric. Sci. 5(2):293-304, 1962}
}