@Article{SCI:Lew2000a, author = "J. Lewis and T.D. Sewell and R. Evans and G.A. Voth", title = "Electronic Structure Calculation of the Structures and Energies of the Three Pure Polymorphic Forms of Crystalline {HMX}", journal = "Journal of Physical Chemistry, B", volume = "104", number = "5", pages = "1009--1013", year = "2000", month = "January", doi = "10.1021/jp9926037", url = "http://www.sci.utah.edu/publications/Lew2000a/2000_Lewis_Sewell_Evans_Voth_Polymorphic_Forms_of_Crystalline_HMX.pdf", }