Promotion and training aspects of integrated surveys. Proceeding of the fifth international seminar 4-7 march 1971.

International Institute for Aerial Survey and Earth Sciences (Holanda)2015-07-15https://bibliotecadigital.ciren.cl/handle/20.500.13082/13722enEstudio integradoRecursos humanosRecursos naturalesUtilización de recursosDesarrollo ruralCongresosPromotion and training aspects of integrated surveys. Proceeding of the fifth international seminar 4-7 march 1971.Libro62