Descripción
Notas:Chairman: David E. Longnecker.
"This study was supported by Contract/Grant No. NASW-03031 between the National Academy of Sciences and the National Aeronautics and Space Administration."--Title page verso
Descripción Física:1 online resource (xiii, 79 pages)
Bibliografía:Includes bibliographical references (pages 53-55).
ISBN:0309530164
9780309530163
9780309166546
0309166543