@misc{calteches340,
           month = {February},
         journal = {Engineering and Science},
          volume = {36},
         address = {Pasadena, CA},
          number = {4},
            year = {1973},
       publisher = {California Institute of Technology},
          editor = {Edward Hutchings, Jr.},
           title = {Engineering and Science, Volume 36:4, February 1973},
             url = {https://resolver.caltech.edu/CaltechES:36.4.0}
}