Graphical Recorders Instruction for Chart Changiong 
contributors V.M. Freestone, K. Sivapakianathan 
 - Kuala Lumpur  Publications Unit.  Ministry of Agriculture  1976 
 - iii,27p.  30cm 
 - [Hydrological Procedure no. 14] .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrological Procedures