1. The Urban Transportation in Time of Crisis: The Case of Havana;Alepuz,2002
2. Emission of Greenhouse gases by Cuban mobile sources in 1990;Dı́az;Transport. Dev. Environ.,1998
3. The special period and the environment;Diaz-Briquets,1995
4. Cubans Are Feeling Unempowered;Farah,1992