TY  - GEN
AV  - public
ID  - calteches173
Y1  - 1957/02//
TI  - Engineering and Science, Volume 20:5, February 1957
SN  - 0013-7812
PB  - California Institute of Technology
UR  - https://resolver.caltech.edu/CaltechES:20.5.0
CY  - Pasadena, CA
ER  -