Meirzadeh, Elena, Liel Sapir, Hagai Cohen, Sidney R Cohen, David Ehre, Daniel Harries, Meir Lahav, and Igor Lubomirsky. “Nonclassical Crystal Growth as Explanation for the Riddle of Polarity in Centrosymmetric Glycine Crystals.” Journal of the American Chemical Society 138, no. 44 (2016): 14756-14763. Copy at http://www.tinyurl.com/yxftolxg