B. J. Clarke, C. C. Garrick, F. V. Harold, R. P. Hildebrand, A. S. Morieson, and P. J. Murray

Abstract
Six authors collectively report on work being done in Australia in relation to hop extracts. Summary: new techniques of hop extraction make the fullest possible use of recent advances in hop chemistry to give maximum control of flavour together with minimum waste of flavourful constituents.