PT  - JOURNAL ARTICLE
AU  - Voigt, William
TI  - Letters to the Editor
AID  - 10.1126/science.161.3838.219-a
DP  - 1968 Jul 19
TA  - Science
PG  - 219--219
VI  - 161
IP  - 3838
4099  - http://science.sciencemag.org/content/161/3838/219.2.short
4100  - http://science.sciencemag.org/content/161/3838/219.2.full
SO  - Science1968 Jul 19; 161