1. Álvarez-Marrón J, Pérez-Estaún A, Aller N, Heredia N (1988) Mapa geológico y Memoria de la Hoja nº 79/14-06 (Puebla de Lillo). Mapa Geológico De España e 1(50):000
2. Appleby PG (2001) Chronostratigraphic techniques in recent sediments. In: Smol JP, Birks HJB, Last WM (eds) Tracking environmental change using lake sediments, volume 1: basin analysis, coring and chronological technique. Kluwer Academic Publishers, Dordrecht, pp 171–203
3. Barriendos M (1997) Climatic variations in the Iberian Peninsula during the late Maunder Minimum (AD 1675–1715): an analysis of data from rogation ceremonies. Holocene 7(1):105–111
4. Battarbee RW (1986) Diatom analysis. In: Berglund BE (ed) Handbook of holocene palaeoecology and palaeohydrology. Wiley, Chichester, pp 527–570
5. Battarbee RW, Jones VJ, Flower RJ, Cameron NG, Bennion H, Carvalho L, Juggins S (2001) Diatoms. In: Smol JP, Birks HJB, Last WM (eds) Tracking environmental change using lake sediments, volume 3: terrestrial, algal and siliceous indicators. Kluwer Academic Publishers, Dordrecht, pp 155–202