Jones D.J., S.A. Diddams, J.K. Ranka, R.S. Windeler, A.J. Stentz, J.L. Hall, and S.T. Cundiff, in (Springer Berlin Heidelberg, Berlin, Heidelberg, 2001), pp. 74-78.
Jones D.J., S.A. Diddams, J.K. Ranka, A.J. Stentz, R.S. Windeler, J.L. Hall, and S.T. Cundiff, Science 288, 635-639 (2000).