PT  - JOURNAL ARTICLE
AU  - , 
TI  - Laboratory Aids
AID  - 10.2307/4437789
DP  - 1947 Jan 01
TA  - The American Biology Teacher
PG  - 117--117
VI  - 9
IP  - 4
4099  - http://abt.ucpress.edu/content/9/4/117.short
4100  - http://abt.ucpress.edu/content/9/4/117.full