Scientific results of the viking project 

 - Washington, D. C.  American Geophysical Union  1977 
 - 3959-4679p.  col.plates; figs; illus; index; plates 
 - Journal of Geophysical Research .
<br/><br/><label>ISBN: </label>875902073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viking Project
<br/><br/><label>Universal Decimal Class. No.: </label>523.4-87  / NASA