@book{pardey2004,
title = {Assessing and attributing the benefits from varietal improvement research in Brazil},
address = {Internat. Food Policy Research Inst.},
annote = {XII, 90 S},
author = {{Philip G.} Pardey and {Julian M.} Alston and {Connie} Chan-Kang and {Eduardo C.} Magalhães and {Stephen A.} Vosti},
howpublished = {Washington, DC},
url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+390898694&sourceid=fbw_bibsonomy},
year = {2004},
description = {imported},
isbn = {0-89629-139-1},
keywords = {Brasilien Sorte }
}
::