1. 9.6 in Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables,1972
2. Accelrys Software Inc., Discovery Studio Modeling Environment: Release 5.5, San Diego, 2007.
3. On the role of gradients in the localization of deformation and fracture;Aifantis;International Journal of Engineering Science,1992
4. Plastic Deformation in Glassy Polymers, in Polymeric Materials;Argon,1975
5. An atomistic-based finite deformation membrane for single layer crystalline films;Arroyo;Journal of the Mechanics and Physics of Solids,2002