relation: https://calteches.library.caltech.edu/615/ title: Engineering and Science, Volume 54:2, Winter 1991 subject: Complete Issues publisher: California Institute of Technology contributor: Dietrich, Jane S. date: 1991 type: Journal Issue type: NonPeerReviewed format: application/pdf language: en rights: other identifier: https://calteches.library.caltech.edu/615/1/ES54.2.1991.pdf format: text/html language: en rights: other identifier: https://calteches.library.caltech.edu/615/2/Contents.html identifier: Engineering and Science, Volume 54:2, Winter 1991. [Journal Issue] https://resolver.caltech.edu/CaltechES:54.2.0 relation: https://resolver.caltech.edu/CaltechES:54.2.0 relation: CaltechES:54.2.0