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1DEPARTMENT OF CHEMISTRY, MASSACHUSETTS INSTITUTE OF TECHNOLOGY, CAMBRIDGE, MASSACHUSETTS
†
† Staff member, Division of Sponsored Research of the Massachusetts Institute of Technology.
*
This work was sponsored by Project SQUID, which is supported by the Office of Naval Research, Department of the Navy, under contract Nonr 1858(25) NR-098-038. Reproduction in full or in part is permitted for any use of the United States government.