TY - BOOK AU - Humphrey, David B TI - Payment systems: Principles, practice and improvements T2 - World Bank technical paper SN - 0-8213-3111-6 U1 - 332.1/HUM PY - 1995/// CY - Washington PB - World Bank KW - Electronic funds transfers--International cooperation KW - Payment--Data processing KW - Clearinghouses (Banking)--Data processing KW - Banks and banking, International--Communication systems ER -