Singer, Ronald. <br/><br/>
The Middle Stone Age at Klasies River mouth in South Africa / 
Ron ald Singer and John Wymer ; with contributions by K.W. Butzer, N.J. Sha ckleton, and E. Voigt. 
 - Chicago :   University of Chicago Press,   c1982. 
 - vi, 234 p., [19] p. of plates :   ill. (some col.) ;   31 cm. 
<br/><br/>Includes bibliographical references (p. 223-227) and index. 
<br/><br/><label>ISBN: </label>0226761037 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mesolithic period-- South Africa-- Kaapsedrifrivier Valley.
<br/><br/><label>Subjects--Geographic Terms: </label><br/> Kaapsedrifrivier Valley (South Africa)-- Antiquities.<br/> South Africa-- Antiquities.
<br/><br/><label>Dewey Class. No.: </label>968.02