Article Information
vol. 249 no. 4976 1549-1552
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© 1990 by the American Association for the Advancement of Science
Author Information
- 1Department of Applied Physics, Stanford University, Stanford, CA 94305, Center for Materials Research, Stanford University, Stanford, CA 94305
- 2Center for Materials Research, Stanford University, Stanford, CA 94305
- 3Hewlett-Packard, Palo Alto, CA 94304
- 4Department of Applied Physics, Stanford University, Stanford, CA 94305
