Enllaços:
[1] http://www.ub.edu/minrocind/category/poblaci%C3%B3/sant-mart%C3%AD-dalbars
[2] http://www.ub.edu/minrocind/category/comarca/osona
[3] http://www.ub.edu/minrocind/category/prov%C3%ADncia/barcelona
[4] http://www.ub.edu/minrocind/category/grau-dactivitat/activa
[5] http://www.ub.edu/minrocind/category/tipus-de-roca/gres
[6] https://maps.google.com/maps?q=sant+marti+d'albars&hl=ca&ie=UTF8&ll=42.027503,2.078908&spn=0.001476,0.002224&sll=41.770608,1.337585&sspn=0.047434,0.071154&t=h&hnear=Sant+Mart%C3%AD+d'Albars,+Barcelona,+Catalunya,+Espanya&z=19
[7] http://www.ub.edu/minrocind/sites/default/files/llegenda-mapa-geologic.pdf