Marta Forés, Miquel Duran, Miquel Solà, Ludwik Adamowicz. Theoretical characterization of intramolecular proton transfer in the ground and the lowest-lying triplet excited states of 1-amino-3-propenal: a methodological comparison. Journal of Computational Chemistry, 21(4):257-269, 2000. [doi]
Abstract is missing.