TY - BOOK ED - DID Research Station KL. TI - Memorandum on Soil Investigation for Proposed Padang Lallang Siphon (No. 49) PY - 1961/// CY - DID Research Station KL KW - MEMORANDUM KW - MEMO KW - Siphon KW - Malaysia, Perak N1 - DID RS. Memorandum no. 8 of 1961 ER -