Durell, Clement V.    1882- <br/><br/>
Advanced trigonometry/    
by C.V. Durel and A. Robson. 
 - London:   G. Bell and Sons, ltd.,   1934. 
 - viii, 335 [1] p.:    diagrs.;    20 cm. 
<br/><br/>  "First published 1930. Reprinted 1934."   includes index. 
<br/><br/><label>LCCN: </label>35-020247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry.--------
<br/><br/><label>Dewey Class. No.: </label>516 .24