1. Measurements of Collisions Between Laser-Cooled Atoms
2. Observation of Bose-Einstein Condensation in a Dilute Atomic Vapor
3. Schmidt-Kaler, F., Andreae, T., König, W., Liebfried, D., Ricci, L., Weitz, M., Wynands, R., Zimmermann, C. and Hänsch, T.W. 1993.Atomic Physics 13, Proceedings of the 13th International Conference on Atomic PhysicsVol. 275, 31–31.
4. Continuous Emission from Planetary Nebulae