A General Purpose Event Water-Level Recorder (Capricorder Model 1598) 

 - Kuala Lumpur  Ministry of Agriculture and Fisheries  1973 
 - iii,18p.  30cm 
 - [Hydrological Procedures no. 3] .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrological Procedures