Regulations governing undertakings and amenities in the tourism sector Portugal: decree-law nº 328/86, ennactment nº 8/89 / Direcção Geral de Turismo
AVISO DE 28-09-89
DECRETO REGULAMENTAR Nº 00008/89
DECRETO REGULAMENTAR REGIONAL Nº 00013/89/A
Abstracts of the second international colloquy of Mediterranean coasts and environmental protection / Council of Europe - Centre Naturopa