TY - CONF AU - Stone, Jack AU - Stejskal, Alois C2 - 2004 NCSL International Workshop and Symposium, Salt Lake City, UT DA - 2004-07-01 LA - en PB - 2004 NCSL International Workshop and Symposium, Salt Lake City, UT PY - 2004 TI - Refractometry Using a Helium Standard ER -