@misc{calteches284,
         address = {Pasadena, CA},
           title = {Engineering and Science, Volume 32:9, June 1969},
          editor = {Edward Hutchings, Jr.},
          number = {9},
            year = {1969},
       publisher = {California Institute of Technology},
         journal = {Engineering and Science},
           month = {June},
          volume = {32},
             url = {https://resolver.caltech.edu/CaltechES:32.9.0}
}