Hay, Richard L. <br/><br/>
The fossil footprints of Laetoli 

 -  1982 
 - 51-57p.  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fossil footprints
<br/><br/><label>LC Class. No.: </label>EAF FOS H33.F6