1. Study of the biodeterioration zone between the lichen thallus and the substrate;Ascaso;Crypt. Bot.,1995
2. Study of the biogenic weathering of calcareous litharenite stones caused by lichen and endolithic microorganisms;Ascaso;Int. Biodeterior. Biodegrad.,1998a
3. Endolithic microorganisms in the biodeterioration of the Belem tower;Ascaso;Int. Zeitschrift für Bauinstandsetzen,1998b
4. Reshaping of sandstone surfaces by cryptoendolithic cyanobacteria: bioalkalization causes chemical weathering in arid landscapes;Budel;Geobiology,2004
5. Biogeological signatures of microboring cyanobacterial communities in marine carbonates from Cabo Rojo, Puerto Rico;Chacon;Sediment. Geol.,2006