PT  - JOURNAL ARTICLE
AU  - , 
TI  - Review
AID  - 10.2307/4450614
DP  - 1999 Jan 01
TA  - The American Biology Teacher
PG  - 69--69
VI  - 61
IP  - 1
4099  - http://abt.ucpress.edu/content/61/1/69.1.short
4100  - http://abt.ucpress.edu/content/61/1/69.1.full