Sijmons, K. <br/><br/>
Coordinate system and map projections for cartographers 

 - Irrigation department  Colombo 07  1986 
 - 127p  fig.Table 
<br/><br/><label>Nat. Bib. No.: </label>6877 
<br/><br/><label>Subjects--Index Terms: </label>Projections; Constructions; Modified 
<br/><br/><label>Universal Decimal Class. No.: </label>528.923