PT - JOURNAL ARTICLE AU - Galen Burghardt AU - Gerald A.. Hanweck, Jr TI - Calendar-Adjusted Volatilities AID - 10.3905/jod.1993.407875 DP - 1993 Nov 30 TA - The Journal of Derivatives PG - 23--32 VI - 1 IP - 2 4099 - https://pm-research.com/content/1/2/23.short 4100 - https://pm-research.com/content/1/2/23.full