TY  - BOOK
AU  - Meltzer,Michael
TI  - When biospheres collide: a history of NASA's planetary protection programs 
T2  - NASA SP
SN  - 9780160853272
AV  - TL1499 .M45 2010
U1  - 363.739 22
PY  - 2010///
CY  - Washington, D.C.
PB  - NASA Aeronautics and Space Administration, for sale by the Supt. of Docs., U.S. G.P.O.
KW  - Space pollution
KW  - Space environment
KW  - Environmental protection
KW  - Moral and ethical aspects
KW  - Outer space
KW  - Exploration
KW  - Environmental aspects
N1  - Shipping list no.: 2011-0441-P; Includes bibliographical references and index; 530  Available via Internet from the NASA web site. Address as of 10/11/11: http://www.nasa.gov/pdf/588047main%5Fwhen%5Fbiospheres%5Fcollide.pdf
UR  - http://purl.fdlp.gov/GPO/gpo13078
ER  -