8421-references

References for lineshapes chapter

• Abragam1983: A. Abragam. The Principles of Nuclear Magnetism. Clarendon Press, 1983.
• Dicke1953: R. H. Dicke. The effect of collisions upon the Doppler width of spectral lines. Phys. Rev., 89(2):472–473, Jan 1953.
• Ramsey1956: Norman F. Ramsey. Molecular Beams. Clarendon Press, 1956.

References for higher order radiation processes chapter

• Bassani1977: M. Fischer, N. Kolachevsky, M. Zimmermann, R. Holzwarth, Th. Udem, T. W. Hänsch, M. Abgrall, J. Grünert, I. Maksimovic, S. Bize, H. Marion, F. Pereira Dos Santos, P. Lemonde, G. Santarelli, P. Laurent, A. Clairon, C. Salomon, M. Haas, U. D. Jentschura, and C. H. Keitel. New limits on the drift of fundamental constants from laboratory measurements. Phys. Rev. Lett., 92(23):230802, Jun 2004.
• Niering2000: M. Niering, R. Holzwarth, J. Reichert, P. Pokasov, Th. Udem, M. Weitz, T. W. Hänsch, P. Lemonde, G. Santarelli, M. Abgrall, P. Laurent, C. Salomon, and A. Clairon. Measurement of the hydrogen $1s$- $2s$ transition frequency by phase coherent comparison with a microwave cesium fountain clock. Phys. Rev. Lett., 84(24):5496–5499, Jun 2000.

References for two-photon chapter

• Andra1970: H. J. Andrä. Zero-field quantum beats subsequent to beam-foil excitation. Phys. Rev. Lett., 25(6):325–327, Aug 1970.