@misc{calteches621,
         address = {Pasadena, CA},
           title = {Engineering and Science, Volume 56:2, Winter 1993},
          editor = {Jane S. Dietrich},
          number = {2},
            year = {1993},
       publisher = {California Institute of Technology},
         journal = {Engineering and Science},
          volume = {56},
             url = {https://resolver.caltech.edu/CaltechES:56.2.0}
}