@misc{calteches615,
           title = {Engineering and Science, Volume 54:2, Winter 1991},
          editor = {Jane S. Dietrich},
       publisher = {California Institute of Technology},
            year = {1991},
          number = {2},
         address = {Pasadena, CA},
          volume = {54},
         journal = {Engineering and Science},
             url = {https://resolver.caltech.edu/CaltechES:54.2.0}
}