Dear all,does anybody has access to:George A. Miller, George A. Heise; The Trill Threshold. J. Acoust. Soc. Am. 1 September 1950; 22 (5): 637–638. https://doi.org/10.1121/1.1906663Unfortunately our library has no access to the old JASA volumes (by the way, weren't they all open access?).All the best, and enjoy the world cup if you can support your national team. Unfortunately, we cannot :-(m