@misc{calteches193,
          volume = {22},
         journal = {Engineering and Science},
           month = {April},
          editor = {Edward Hutchings, Jr.},
           title = {Engineering and Science, Volume 22:7, April 1959},
            year = {1959},
       publisher = {California Institute of Technology},
          number = {7},
         address = {Pasadena, CA},
             url = {https://resolver.caltech.edu/CaltechES:22.7.0}
}