@misc{calteches93,
         address = {Pasadena, CA},
            year = {1944},
       publisher = {California Institute of Technology},
          number = {4},
           title = {Engineering and Science, Volume 7:4, April 1944},
          editor = {Donald S. Clark},
           month = {April},
         journal = {Engineering and Science},
          volume = {7},
             url = {https://resolver.caltech.edu/CaltechES:7.4.0}
}