Brown, M.A.A. <br/><br/>
Map production 

 - Irrigation department  Colombo 07  1986 
 - 136p.  Map.Fig. 
<br/><br/><label>Nat. Bib. No.: </label>6881 
<br/><br/><label>Subjects--Index Terms: </label>Comparison; Flow diagrams; Photographic 
<br/><br/><label>Universal Decimal Class. No.: </label>528.923  / BRO