PT  - JOURNAL ARTICLE
ED  - , 
TI  - Miscellaneous Publications
AID  - 10.1126/science.121.3142.393-a
DP  - 1955 Mar 18
TA  - Science
PG  - 393--393
VI  - 121
IP  - 3142
4099  - http://science.sciencemag.org/content/121/3142/393.2.short
4100  - http://science.sciencemag.org/content/121/3142/393.2.full
SO  - Science1955 Mar 18; 121