TY - ECHAP AU - John Hall AU - Jun Ye AU - L.-S. Ma AU - K. Vogel AU - T. Dinneen CY - Hanagzhou, China DA - 1997-12 N1 - JILA Pub. 5986 PB - World Scientific, Singapore PP - Hanagzhou, China PY - 1997 SN - ISBN-13: 9789810232818/ISBN: 9810232810 EP - 75 TI - Optical frequency standards: Progress and applications UR - http://jila-pfc.colorado.edu/yelabs/sites/default/files/uploads/Thicol.Hall_.pdf ER -