title: Studies on the origin of sulphur in wool: A cuprous mercaptide method for the determination of cystine or cysteine.
authors.affiliation: The Department of Agriculture, Veterinary Research Institution, Onderstepoort, South Africa.
authors.forename: S D
authors.initials: SD
authors.lastname: Rossouw
authors.forename: T J
authors.initials: TJ
authors.lastname: Wilken-Jorden