@misc{calteches170,
          editor = {Edward Hutchings, Jr.},
           title = {Engineering and Science, Volume 20:2, November 1956},
       publisher = {California Institute of Technology},
            year = {1956},
          number = {2},
         address = {Pasadena, CA},
          volume = {20},
         journal = {Engineering and Science},
           month = {November},
             url = {https://resolver.caltech.edu/CaltechES:20.2.0}
}