References
- Lee , N. 1987 . Environmental Impact Assessment: A Training Guide. , Department of Town and Country Planning, University of Manchester .
- VROM . 1981 . Methodologies. Netherlands MER Series
- Impacto 2000, Lda/BRISA SA . 1988 . Estudo de Impacte Ambiental do Sublanco Torres Novas-Fátima da Auto-Estrada do Norte