PhysRevB.36.1276.pdf (Publisher version), 198KB
Heskett, D., Frank, K.-H., Koch, E. E., & Freund, H.-J. (1987). Unoccupied electron band structure of Na overlayers on Al(111). Physical Review B, 36(2), 1276-1279. doi:10.1103/PhysRevB.36.1276.