![Geologia marciana a la Terra](/Imatge/587/624/tufamarsim,0.jpg)
Referencias
"Origin and evolution of tufa mounds related to artesian karstic springs in Isona area (Pyrenees, NE Spain)". Linares, Rogelio; Rosell, Joan; Roque, Carles; Gutierrez, Francisco. GEOLOGICA ACTA, 22-23: 129-150 Sp. Iss. SI 2009.
"Origin and evolution of tufa mounds related to artesian karstic springs in Isona area (Pyrenees, NE Spain)". Linares, Rogelio; Rosell, Joan; Roque, Carles; Gutierrez, Francisco. GEOLOGICA ACTA, 22-23: 129-150 Sp. Iss. SI 2009.