@misc{calteches269,
          volume = {31},
           month = {December},
         journal = {Engineering and Science},
       publisher = {California Institute of Technology},
            year = {1967},
          number = {3},
           title = {Engineering and Science, Volume 31:3, December 1967},
          editor = {Edward Hutchings, Jr.},
         address = {Pasadena, CA},
             url = {https://resolver.caltech.edu/CaltechES:31.3.0}
}