003900000a22001450004500090001700000245002600017041001400043700003600057700002200093700002300115100003100138942001300169773004500182999001700227  aAsbSeriadas10aErosión en Colombia0 aEspañol1 aPérez Preciado, Alfonso986771 aOster, Remy986791 aKobzi, Jack9999261 aLecarpentier, Claude98675  cARTICULO1 tColombia Geográficah2q87-92d2003g7  c15688d15688