TY - BOOK ED - National Academy of Sciences TI - Scientific and technical information for developing countries : a report of an ad hoc advisory panel of the board on science and technology for international development AV - HC60/N382 PY - 1972/// CY - Washington PB - S.N. KW - Ayuda Técnica - Zonas Subdesarrolladas KW - Información - Ciencia N1 - Monografía ER -