@unpublished{Attanasio2004,
author = {Orazio Attanasio and Marcos Vera-Hernandez},
title = {Medium- and long run effects of nutrition and child care: evaluation of a community nursery programme in rural Colombia},
year = {2004},
month = {Nov},
volume = {pp.},
issn = {1742-0415},
url = {http://www.ifs.org.uk/edepo/wps/ewp0406.pdf},
}