Combined experimental and theoretical study of small aluminum oxygen clustersS. Neukermans, N. Veldeman, E. Janssens, P. Lievens, Z. Chen and P.v.R. SchleyerEur. Phys. J. D, 45 2 (2007) 301-308DOI: https://doi.org/10.1140/epjd/e2007-00283-5