Dual-third triad diamond. Created by Hyacinth (talk) 08:02, 13 March 2013 (UTC). See: File:Dual-third triad diamond chain.png, File:Dual-third triad diamond...
under the following license: See: File:Dual-third triad diamond chain.png, File:Dual-third triad diamond.svg Kárpáti, János (1981). "Alternative Structures...
