TY - CONF AU - J Roberts AU - James Olthoff AU - R Van AU - James Whetstone C2 - Advanced Techniques for Integrated Circuit , Santa Clara, CA DA - 1991-01-01 LA - en PB - Advanced Techniques for Integrated Circuit , Santa Clara, CA PY - 1991 TI - Measurements on the NIST GEC Reference Cell, SPIE, Vol. 1392 ER -