Vertregt, M.
Principles of astronautics / M. Vertregt. - 2nd, rev. ed. - Amsterdam ; New York : Elsevier Publishing, 1965. - xii, 339 p. : ill. ; 22 cm.
Includes index.
Bibliography: p. [323]-325.
65013903
GB65-8563
Astronautics.
TL791 / .V413 1965
629.13885 / VEP
Principles of astronautics / M. Vertregt. - 2nd, rev. ed. - Amsterdam ; New York : Elsevier Publishing, 1965. - xii, 339 p. : ill. ; 22 cm.
Includes index.
Bibliography: p. [323]-325.
65013903
GB65-8563
Astronautics.
TL791 / .V413 1965
629.13885 / VEP