Nelson, Margaret C.. <br/><br/>
Grinding Tool Design as Conditioned by Land Use Pattern. 

 - [s.l.] :   American Antiquity,   1993. 
 - [19] p. ;   29 cm. 
<br/><br/> Engrapado.  En American Antiquity, Vol. 58, Nš 2 (Apr., 1993), 286-305. 
<br/><br/><label>Dewey Class. No.: </label>301