Mackay, V.L., Welch, S.K., Insley, M.Y., Manney, T.R., Holly, J., Saari, G.C. and Parker, M.L. (1988). „The Saccharomyces cerevisiae BAR1 gene encodes an exported protein with homology to pepsin”. Proc. Natl. Acad. Sci. USA85: 55-59. PMID3124102.
Mackay, V.L., Armstrong, J., Yip, C., Welch, S., Walker, K., Osborn, S., Sheppard, P. and Forstrom, J. (1991). „Characterization of the bar proteinase, an extracellular enzyme from the yeast Saccharomyces cerevisiae”. Adv. Exp. Med. Biol.306: 161-172. PMID1812704.
