@book{book1bc4c69f,
title   = {Our common future ; by world commission on environment and development},
author = {Brundtland, G H and Khalid, M and Agnelli, S and Al-Athel, S A and Chidzero, B and Fadika, L M and Hauff, V and Lang, I and Ma, S and Botero, M M and Singh, N and Nogueira Neto, Paulo},
year = {1987},
publisher = {Oxford University Press}
}