@misc{calteches209,
           month = {February},
         journal = {Engineering and Science},
          volume = {24},
         address = {Pasadena, CA},
          number = {5},
       publisher = {California Institute of Technology},
            year = {1961},
           title = {Engineering and Science, Volume 24:5, February 1961},
          editor = {Edward Hutchings, Jr.},
             url = {https://resolver.caltech.edu/CaltechES:24.5.0}
}