Durell, Clement V. <br/><br/>
Advanced trigonometry / 
C.V. Durell and A. Robson. 
 - Dover Ed. 
 - London:  G. bell and son ltd:  c1953 
 - viii, 336 p. :  ill. ;  22 cm. 
<br/><br/> Includes index.  Originally published: London : G. Bell and Sons, Ltd., 1930. 
<br/><br/>
<br/><br/><label>ISBN: </label>0486432297 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE<br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>516.24  / DUR