@misc{calteches176,
       publisher = {California Institute of Technology},
            year = {1957},
          number = {8},
           title = {Engineering and Science, Volume 20:8, May 1957},
          editor = {Edward Hutchings, Jr.},
         address = {Pasadena, CA},
          volume = {20},
           month = {May},
         journal = {Engineering and Science},
             url = {https://resolver.caltech.edu/CaltechES:20.8.0}
}