TY  - GEN
AV  - public
ID  - calteches322
SN  - 0013-7812
PB  - California Institute of Technology
Y1  - 1939/06//
TI  - Engineering and Science, Volume 2:4, June 1939
CY  - Pasadena, CA
UR  - https://resolver.caltech.edu/CaltechES:2.4.0
ER  -