@unpublished{Attanasio2009,
author = {Orazio Attanasio and Erich Battistin and Alice Mesnard},
title = {Food and cash transfers: evidence from Colombia},
year = {2009},
month = {Jul},
doi = {10.1920/wp.ifs.2009.0915},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0915.pdf},
}