PT - JOURNAL ARTICLE AU - , TI - Review AID - 10.2307/4448752 DP - 1988 May 01 TA - The American Biology Teacher PG - 316--316 VI - 50 IP - 5 4099 - http://abt.ucpress.edu/content/50/5/316.short 4100 - http://abt.ucpress.edu/content/50/5/316.full