PT  - JOURNAL ARTICLE
ED  - , 
TI  - PSYCHOLOGY (I)
AID  - 10.1126/science.162.3858.1167
DP  - 1968 Dec 06
TA  - Science
PG  - 1167--1168
VI  - 162
IP  - 3858
4099  - http://science.sciencemag.org/content/162/3858/1167.short
4100  - http://science.sciencemag.org/content/162/3858/1167.full
SO  - Science1968 Dec 06; 162