Eremenko, V., Sirenko, V., Gospodarev, I., Syrkin, E., Feodosyev, S., Bondar, I., Saxena, S., Feher, A. and Minakova, K. 2015. Effect of step-edge on spectral properties and planar stability of metallic bigraphene : Porous and low-dimensional structures. FIZYKA NYZKYKH TEMPERATUR. 42, 2 (Dec. 2015), 134–141. DOI:https://doi.org/10.1063/1.4941004 .