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Regan D, Beverley KI.Regan D, et al. Among authors: beverley ki.J Opt Soc Am A. 1985 Feb;2(2):147-55. doi: 10.1364/josaa.2.000147.J Opt Soc Am A. 1985.PMID: 3973752
Regan D, Beverley KI.Regan D, et al. Among authors: beverley ki.J Opt Soc Am A. 1984 May;1(5):433-42. doi: 10.1364/josaa.1.000433.J Opt Soc Am A. 1984.PMID: 6726491