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Search results for "class periods"

Filters: Space and Aeronautics Space and Aeronautics × Division on Earth and Life Studies DELS × 1999 1999 ×
Viewing 1 - 4 of 4 results by relevance

Atmospheric Effects of Aviation: A Review of NASA's Subsonic Assessment Project  (1999)

A Review of NASA's 'Atmospheric Effects of Stratospheric Aircraft' Project  (1999)

Review of NASA's Distributed Active Archive Centers  (1999)

Consensus Study Report

Assessment of NASA's Plans for Post-2002 Earth Observing Missions: Letter Report  (1999)