An approach guidance method using a single onboard optical measurement /
Harold A. Hamer and Katherine G. Johnson.
APA Citation
Hamer, H. A., Johnson, K. G. (1970). An approach guidance method using a single onboard optical measurement. Washington, D.C.: National Aeronautics and Space Administration .
MLA Citation
Hamer, Harold A, and Katherine G Johnson. An Approach Guidance Method Using a Single Onboard Optical Measurement. Washington, D.C.: National Aeronautics and Space Administration , 1970.
Warning: These citations may not always be complete (especially for serials).