[1]
KUMAR MAHAPATRA, A. et al. 2010. Hydrogen Bonding Selectivity in Molecular Assembly: A Novel 2:1 Molecular Complex of Caffeine and 4-Hydroxybenzoic Acid via C– H···O/O– H···O/O– H···N Hydrogen Bond Coupling. Asian Journal of Chemistry. 20, 3 (Mar. 2010), 1761–1765.