@conference{116256, author = {John Hall and M Zhu}, title = {An introduction to phase-stable optical sources, ed. by E. Arimondo, W.D. Phillips, and F. Strumia}, year = {1992}, month = {1992-01-01}, publisher = {International School of Physics Enrico Fermi Course CXVII, Laser Manipulation of Atoms and Ions , North Holland, CH}, language = {en}, }