Next steps in human exploration to Mars and beyond  hearing before the Subcommittee on Space, Committee on Science, Space, and Technology, House of Representatives, One Hundred Thirteenth Congress, first session, Tuesday, May 21, 2013. 

 - iv, 173 pages  illustrations  24 cm 
<br/><br/> Shipping list no.: 2014-0030-P.  "Serial no. 113-30." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manned space flight--Government policy--United States.<br/>Space flight to the moon--Government policy--United States.<br/>Space flight to asteroids--Government policy--United States.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Mars Planet--Exploration--Government policy--United States.
<br/><br/><label>LC Class. No.: </label>KF27  / .S3995 2013a 
<br/><br/><label>GPO Item No.: </label>1025-A-01 1025-A-03 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 4.SCI 2:113-30 
<br/><br/><label>Report. No.: </label>Serial no. 113-30 (United States. Congress. House. Committee on Science, Space, and Technology (2011))