Gupta, Murli M. <br/><br/>
Spherical trigonometry for surveying and cartography students ... 
Murli M. Gupta 
 - [Lae  Dept. of Mathematics, Papua New Guinea University of Technology]  1976 
 - 2, 49 p.  30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Triangulation<br/>Great-circle sailing<br/>Spherical trigonometry