PT - JOURNAL ARTICLE AU - Geoffrey Poitras TI - Turtles, Tails, and Stereos AID - 10.3905/jod.1997.407992 DP - 1997 Nov 30 TA - The Journal of Derivatives PG - 71--87 VI - 5 IP - 2 4099 - https://pm-research.com/content/5/2/71.short 4100 - https://pm-research.com/content/5/2/71.full