The disqualification of hops caused by aphides.

• 1 March 1956
• journal article
• Published by Research Institute of Brewing and Malting, Plc. (Vyzkumny Ustav Pivovarsky a Sladarsky) in KVASNY PRUMYSL
• Vol. 2  (3) , 52-55
• https://doi.org/10.18832/kp1956016

Abstract