Romao, PMS/ Rattazzi, A 1996: Biodeterioration on megalithic monuments. Study of lichens' colonization on Tapadao and Zambujeiro Dolmens (southern Portugal). - International Biodeterioration and Biodegradation37(1-2): 23-35. [RLL List # 167 / Rec.# 15788] Keywords: BIODEGRADATION/ BIODETERIORATION/ MAN-MADE SUBSTRATES/ MONUMENTS/ PRESERVATION
Abstract: 14 fig. 5 tab. ["The field survey undertaken in both archaeological sites has made possible some correlations between diversity, frequency and distribution of the species, and the climatic conditions, deterioration forms, inclination and exposure to rainfall of the lithic pieces."]