TY  - BOOK
AU  - Meltzer,Michael
TI  - When Biospheres Collide: A History of NASA's Planetary Protection Programs
T2  - NASA Sp Series
SN  - 9780160897450
AV  - TL1499.M458 2012 
U1  - 363.73899999999998 
PY  - 2011///
CY  - Pittsburgh
PB  - United States Government Printing Office
KW  - Space pollution
KW  - Electronic books
N1  - 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
UR  - https://ebookcentral.proquest.com/lib/orpp/detail.action?docID=4857651
ER  -