NASA technical note TN (series). D-5963. Approach guidance method using single onboard optical measurement [with list of references]; by Harold A. Hamer and Katherine G. Johnson.
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Approach guidance method using single onboard optical measurement [with list of references]; by Harold A. Hamer and Katherine G. Johnson.
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NASA technical note TN (series). D-5963. Approach guidance method using single onboard optical measurement [with list of references]; by Harold A. Hamer and Katherine G. Johnson.