Observation of individual neutral atoms in magnetic and magneto-optical trapsD. Haubrich, H. Schadwinkel, F. Strauch, B. Ueberholz, R. Wynands and D. MeschedeEurophys. Lett., 34 9 (1996) 663-668DOI: https://doi.org/10.1209/epl/i1996-00512-5