By admin on Mon, 04/09/2018 - 15:08 Authors J. Fajans and J. Wurtele Publication Date Mon, 03/28/1988 - 12:00 Link https://www.researchgate.net/publication/255114668_Method_of_suppressing_feedba… Link Details U.S. Patent No. 4918698 File USP_04918698.pdf Authors from group Joel Fajans Jonathan Wurtele