PT  - JOURNAL ARTICLE
AU  - Berl, Walter G.
TI  - Perspectives on the Promise of the Present
AID  - 10.1126/science.165.3898.1149
DP  - 1969 Sep 12
TA  - Science
PG  - 1149--1150
VI  - 165
IP  - 3898
4099  - http://science.sciencemag.org/content/165/3898/1149.short
4100  - http://science.sciencemag.org/content/165/3898/1149.full
SO  - Science1969 Sep 12; 165