Planetary geosciences 1989-1990 
edited by Maria T. Zuber ... [et al.]. 
 - Washington  National Aeronautics and Space Administration  1992. 
 - vi, 77 p.  ill., maps  28 cm. 
<br/><br/><label>ISBN: </label>0160361737 
<br/><br/><label>LCCN: </label>doc92000932  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planets--Geology.<br/>Geochemistry<br/>Geophysics
<br/><br/><label>LC Class. No.: </label>91-33408