Seigner, E., Lutz, A. and Felsenstein, F.G. (2006) “Wild hops – New genetic resources for resistance to hop powdery mildew (Podosphaera macularis ssp. humuli)”, BrewingScience, 59(7/8), pp. 122–129. Available at: https://brewingscience.de/index.php/brewingscience/article/view/511 (Accessed: 30 May 2026).