Positronium Velocity Spectroscopy of the Electronic Density of States at a Metal Surface, Pfeiffer L, Platzman PM, Mills AP, Physical Review Letters, Volume 51, Number 12, pp. 1085-1088, 9/19/1983
Positron and positronium emission from tungsten (111), Wilson RJ, Mills AP, Physical Review B, Volume 27, Number 7, pp. 3949-3954, 4/1/1983
Measurement of the Decay Rate of the Positronium Negative Ion, Mills AP, Physical Review Letters, Volume 50, Number 9, pp. 671-674, 2/28/1983
Solid neon moderator for producing slow positrons, Mills AP, Physical Review A, Volume 27, Number 1, pp. 262-267, January 1983