TY  - GEN
UR  - https://resolver.caltech.edu/CaltechES:9.12.0
CY  - Pasadena, CA
Y1  - 1946/12//
TI  - Engineering and Science, Volume 9:12, December 1946
SN  - 0013-7812
PB  - California Institute of Technology
ID  - calteches122
AV  - public
ER  -