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Age-related changes in human posture control sensory organization tests

Peterka, Robert J.
Portland, OR : Good Samaritan Hospital and Medical Center ; [Washington, D.C. : National Aeronautics and Space Administration, 1989] 1989

A Study of the surface energy balance on slopes in a tallgrass prairie

Nie, D.
[Washington, D.C. : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1990?] 1990

Is the U.S. current account deficit sustainable?

Labonte, Marc, author.
[Washington, D.C.] : Congressional Research Service, 2019- 2019