Vol. 20 Núm. 2 (2013)
Special Issue: "Case studies on the Quaternary and Geomorphology of Argentina."
Cover Photo: Transmission optical microscopy image of a structured horizon from the pedological mantle of the Misiones Province, showing subangular and angular blocks, few channels, clay coatings, magnetite grains and ferruginous nodules. For further details see Moretti and Morrás, pp 129-142, this issue.