RYDBERG ATOMS AND RADIATION IN A RESONANT CAVITY I, THEORY S. Haroche, C. Fabre, J.M. Raimond, P. Goy, M. Gross and L. Moi J. Phys. Colloques, 43 C2 (1982) C2-265-C2-274 DOI: 10.1051/jphyscol:1982220