@misc{calteches173,
         journal = {Engineering and Science},
           month = {February},
          volume = {20},
         address = {Pasadena, CA},
           title = {Engineering and Science, Volume 20:5, February 1957},
          editor = {Edward Hutchings, Jr.},
          number = {5},
            year = {1957},
       publisher = {California Institute of Technology},
             url = {https://resolver.caltech.edu/CaltechES:20.5.0}
}