Hann, James <br/><br/>
The elements of spherical trigonometry 

 - London  James S. Virtue  1862 
 - 73 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRIGONOMETRIA ESFERICA
<br/><br/><label>Universal Decimal Class. No.: </label>A/514.6/H21