TY - BOOK ED - The World Bank Environment division, technical Department, African R egion. TI - Program on environment information systems in Sub-Saharan Africa: program overview and terms of reference U1 - 025.063637 PY - 1991/// CY - [Washington D.C.] PB - World Bank KW - Information storage and retrieval systems KW - Environmental sciences KW - Data processing N1 - "July 1991" ER -