TY - CPAPER AU - D. Hils AU - John Hall CY - Ancona, Italy N1 - JILA Pub. 3966 PB - Springer PP - Ancona, Italy PY - 1988 SN - 354050818X TI - Ultra-stable cavity-stabilized lasers with subhertz linewidth UR - http://link.springer.com/chapter/10.1007/978-3-642-74501-0_30$\#$page-1 ER -