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\F3\CSTANFORD, CALIFORNIA 94305
\F4COMPUTER SCIENCE DEPARTMENT\←L\-R\/'7;\+R\→.\→S   Telephone:
\←S\→.415-497-4971
\F1\CMay 14, 1975



Dr. Fred Hansen
Computer Science Dept
University of Illinois at Urbana-Champaign
Urbana, Illinois 61801


Dear Dr. Hansen:







               \F5FRED HANSEN. WHERE ARE YOU??????\F1 





\←L\→S\←R\-L\/'2;\+L\→L

Yours sincerely,



John R. Allen
Research Associate
Computer Science Dept
Artificial Intelligence Lab

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