Information, a resource for development : proceedings of the Forty-fifth FID Conference and Congress, held in Havana, Cuba, 19-22 September 1990 / edited by Ben G. Goedegebuure, Humberto R. Arango Sales, Gilberto Sotolongo AguilarNew worlds in information and documentation : proceedings of the forty-sixth FID Conference and Congress held in Madrid, Spain, 22-29 October, 1992 / ed. by José Ramon Alvarez-Ossorio, Ben G. Goedegebuure