Genesis of subtropical soils with stony horizons in NE Argentina: Autochthony and polygenesis Morrás, H. ; Moretti, L. ; Píccolo, G. ; Zech, W. Abstract Publication: Quaternary International Pub Date: March 2009 DOI: 10.1016/j.quaint.2008.07.001 Bibcode: 2009QuInt.196..137M