Meltzer, Michael. <br/><br/>
When Biospheres Collide :  A History of NASA's Planetary Protection Programs. 

 - 1st ed. 
 - 1 online resource (426 pages) 
 - NASA Sp Series .
 - NASA Sp Series .
<br/><br/>Intro -- Preface -- Foreword -- Acknowledgments -- 1. Why We Must Protect Planetary Environments -- 2. In the Beginning -- 3. Developing Effective Planetary Protection Approaches -- 4. Back Contamination -- 5. Planetary Protection for Mars -- 6. Small Bodies of the Solar System -- 7. Return to Mars -- 8. Do We Have the Right To Contaminate? -- 9. Conclusion -- Text-based Tables -- Appendices -- Acronyms and Abbreviations. 
<br/><br/><label>ISBN: </label>9780160897450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space pollution.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TL1499.M458 2012 
<br/><br/><label>Dewey Class. No.: </label>363.73899999999998