“Semiempirical methods for the rapid evaluation of frontier orbitals in the classification of agonists and antagonists of the NR1 subunit of the iGluR-NMDA receptors”., Univ. Sci., vol. 16, no. 1, pp. 5–14, Jan. 2011, doi: 10.11144/javeriana.SC16-1.smft.