Sobel, Dava. <br/><br/>
Boylam / 
by Dava Sobel, William J. H. Andrewes. 
 - Ankara :  Tübitak,  2004. 
 - 231 p. :  photo ;  23 cm. 
<br/><br/> This book is in Turkish. 
<br/><br/><label>ISBN: </label>975403317X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chronometer.<br/>Geography--Chronometer.