Memorandum on Soil Investigation for Proposed Padang Lallang Siphon (No. 49). 

 - DID Research Station KL  1961 
 - p. 
<br/><br/> DID RS. Memorandum no. 8 of 1961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEMORANDUM.<br/>MEMO.<br/>Siphon.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Malaysia, Perak.