@misc{calteches368,
          editor = {Edward Hutchings, Jr.},
           title = {Engineering and Science, Volume 40:4, May-June 1977.},
            year = {1977},
       publisher = {California Institute of Technology},
          number = {4},
         address = {Pasadena, CA},
          volume = {40},
         journal = {Engineering and Science},
           month = {May},
             url = {https://resolver.caltech.edu/CaltechES:40.4.0}
}