Jaskula, Barbara; Kafarski, Pawel; Aerts, Guido; De Cooman, Luc (August 2008). "A Kinetic Study on the Isomerization of Hop α-Acids". Journal of Agricultural and Food Chemistry. 56 (15): 6408–6415. doi:10.1021/jf8004965. PMID18598038.
Page, Jonathan E.; Nagel, Jana (2006). "Biosynthesis of terpenophenolic metabolites in hop and cannabis". Recent Advances in Phytochemistry. Vol. 40. pp. 179–210. doi:10.1016/S0079-9920(06)80042-0. ISBN9780080451251.
"Humulus L."Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 14 October 2020.
nih.gov
pubmed.ncbi.nlm.nih.gov
Jaskula, Barbara; Kafarski, Pawel; Aerts, Guido; De Cooman, Luc (August 2008). "A Kinetic Study on the Isomerization of Hop α-Acids". Journal of Agricultural and Food Chemistry. 56 (15): 6408–6415. doi:10.1021/jf8004965. PMID18598038.