Thouret, Jean-Claude Late Quaternary geology, stratigraphy, and palaeoecology of the last glaciation in the Colombian Central Cordillera (Ruiz-Tolima massif) - Paris ORSTOM 1990 - pp. 399-402 ilus. Subjects--Topical Terms: CUATERNARIOESTRATIGRAFÍAGLACIACIONPALEOECOLOGIAVOLCANISMO Subjects--Geographic Terms: PERUCOLOMBIANEVADO DEL RUIZTOLIMA, VOLCAN Universal Decimal Class. No.: 551.2(1-928.2)/I59|107