- Serban E. Vlad:
Defining the Symmetry of the Universal Semi-Regular Autonomous Asynchronous Systems. Symmetry 4(1): 116-128 (2012) - Steve Wilson:
Maniplexes: Part 1: Maps, Polytopes, Symmetry and Operators. Symmetry 4(2): 265-275 (2012) - Yukihiko Yoshida, Junko Hatori, Hinako Kawakami, Yasumitsu Matsuo, Seiichiro Ikehata:
Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor. Symmetry 4(3): 507-516 (2012)