Monitoring of the state of conservation of cultural World Heritage properties and related technical problems
SC-91/CONF.001/2
Titre
Monitoring of the state of conservation of cultural World Heritage properties and related technical problems
Monitoring of the state of conservation of cultural World Heritage properties and related technical problems
Date :
vendredi 7 juin 1991
vendredi 7 juin 1991
Code :
SC-91/CONF.001/2
SC-91/CONF.001/2
Langue : English en
Éditeur : UNESCO
En savoir Plus :