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Exponentially stable approximations of weakly damped wave equations

Banks, H. Thomas.
Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, Institute for Computer Applications in Science and Engineering ; [Springfield, Va. : For sale by the National Technical Information Service, 1991] 1991

Theory of biaxial graded-index optical fiber

Kawalko, Stephen F., author.
[Washington, D.C.] : National Aeronautics and Space Administration, [1990] 1990

Theory of biaxial graded-index optical fiber

Kawalko, Stephen F., author.
[Washington, DC] : National Aeronautics and Space Administration, [1990] 1990

Theory of biaxial graded-index optical fiber

Kawalko, Stephen F.
[Washington, DC] : National Aeronautics and Space Administration, [1990] 1990