Meltzer, Michael,  1946- <br/><br/>
When biospheres collide :  a history of NASA's planetary protection programs / 
by Michael Meltzer. 
 - Washington, D.C. :  NASA Aeronautics and Space Administration :  for sale by the Supt. of Docs., U.S. G.P.O.,  2010. 
 - xx, 522 p. :  ill. ;  25 cm. 
 - NASA SP ;  2011-4234 .
 - NASA SP ;  2011-4234. .
<br/><br/> Shipping list no.: 2011-0441-P. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780160853272 0160853273 
<br/><br/><label>LCCN: </label>2008005759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space pollution.<br/>Space environment.<br/>Environmental protection--Moral and ethical aspects.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Outer space--Exploration--Environmental aspects.
<br/><br/><label>LC Class. No.: </label>TL1499  / .M45 2010 
<br/><br/><label>Dewey Class. No.: </label>363.739 
<br/><br/><label>GPO Item No.: </label>0830-I 
<br/><br/><label>Gov. Doc. Class. No.: </label>NAS 1.21:2011-4234