1. SIDA Publication: [Medellín, Columbia] : Metrosalud, Sección Programas Especiales, [1994?] Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlCitiesColombia
2. Latin American urbanization Publication: [Arlington, Va.] : International Science and Technology Institute, [198-?] Subject(s): Urbanization -- trendsCitiesLatin America
