@misc{calteches292,
         journal = {Engineering and Science},
           month = {May},
          volume = {33},
         address = {Pasadena, CA},
          editor = {Edward Hutchings, Jr.},
           title = {Engineering and Science, Volume 33:7, May 1970},
       publisher = {California Institute of Technology},
            year = {1970},
          number = {7},
             url = {https://resolver.caltech.edu/CaltechES:33.7.0}
}