Memorandum on 1. River Discharge Measurement. 2. Unit Hydrograph. 3. Standard Catchment. 4. Evaporimeters. (No. 66) - DID Research Station KL 1959 - p. DID RS. Memorandum no. 66 of 1959 Subjects--Topical Terms: MEMORANDUM.MEMO. Subjects--Geographic Terms: MALAYSIA.