When biospheres collide
Subtitle: a history of NASA's planetary protection programs
By: by Michael Meltzer.
Series: NASA SP -- 2008-4233
Publisher: NASA Aeronautics and Space Administration
Published: 2008
Place of publication: Washington, D.C
Language: eng
Subjects: Space pollution; Space environment; Environmental protection -- Moral and ethical aspects; Outer space -- Exploration -- Environmental aspects
Notes: Includes bibliographical references and index.