@misc{calteches286,
         journal = {Engineering and Science},
           month = {November},
          volume = {33},
         address = {Pasadena, CA},
          editor = {Edward Hutchings, Jr.},
           title = {Engineering and Science, Volume 33:2, November 1969},
            year = {1969},
       publisher = {California Institute of Technology},
          number = {2},
             url = {https://resolver.caltech.edu/CaltechES:33.2.0}
}