S. N. E. Van Nierop, D. E. Evans, B. C. Axcell, I. C. Cantrell, and M. Rautenbach, “Impact of different wort boiling temperatures on the beer foam stabilizing properties of lipid transfer protein 1.” Journal of agricultural and food chemistry, vol. 52, no. 10, pp. 3120–9, May 2004. [Online]. Available:http://www.ncbi.nlm.nih.gov/pubmed/15137863Arkiveret 28. oktober 2014 hos Wayback Machine
S. N. E. Van Nierop, D. E. Evans, B. C. Axcell, I. C. Cantrell, and M. Rautenbach, “Impact of different wort boiling temperatures on the beer foam stabilizing properties of lipid transfer protein 1.” Journal of agricultural and food chemistry, vol. 52, no. 10, pp. 3120–9, May 2004. [Online]. Available:http://www.ncbi.nlm.nih.gov/pubmed/15137863Arkiveret 28. oktober 2014 hos Wayback Machine