Publication
The Determination of the Crystal Structure of Anhydrous Theophylline by X-ray Powder Diffraction with a Systematic Search Algorithm, Lattice Energy Calculations, and 13 C and 15 N Solid-State NMR: A Question of Polymorphism in a Given Unit Cell
Elaine D. L. Smith, Robert B. Hammond, Matthew J. Jones, Kevin J. Roberts, John B. O. Mitchell, Sarah L. Price, Robin K. Harris, David C. Apperley, Julian C. Cherryman, Robert Docherty
The Journal of Physical Chemistry B, June 2001, American Chemical Society (ACS)
DOI: 10.1021/jp002060x