Karunatilake, H.N.S. The variable reserve ratio as an instrument of Central Bank Policy. - CB Colombo 1963 - 231 - Monetary Reserves Sri Lanka - Central Bank of Ceylon Research Series . Nat. Bib. No.: 1233 Nat. Bib. Agency Control No.: 332.1(548.7)KAR S.L. Subjects--Topical Terms: Economics Universal Decimal Class. No.: 332.1(548.7) 1