The crux of the Cyprus question /

por Feyzioglu, Turhan, Feyzioglu, Turhan, Ertekün, Necati M.
Publicado 1987

Rationing can backfire : the "day without a car" in Mexico City /

por Eskeland, Gunnar S.
Publicado 1995

Air pollution and health effects : a study of respiratory illness among children in Santiago, Chile /

Publicado 1998