00466nam a2200133Ia 4500008004100000040001700041082002000058110006100078245007100139260003500210300001400245440003800259650003500297190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta382bU58B  aUnited Nations.Department of Economic and Social Affairs 0aBasic principles of the system of balances of the national economy  aNew YorkbUnited Nationsc1971  avii,116p.  aStudies in methods series F;no.17  aBalance of payments; Economics