Gheury de Bray, M. E. J. <br/><br/>
Exponentials made easy / 
by M. E. J. Gheury de Bray 
 - London :  Macmillan,  1921 
 - x, 253 p. :  diagrs. ;  18 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functions<br/>Curves
<br/><br/><label>Dewey Class. No.: </label>512.7