Mesquita, M. L. R., L. A. Andrade, e W. E. Pereira. “<b>Soil Weed Seed Bank <i>in situ</i> and <i>ex situ</i&gt; At a Smallholder Field in Maranhão State, Northeastern Brazil”. Acta Scientiarum. Agronomy, Vol. 37, nº 1, novembro de 2014, p. 93-100, doi:10.4025/actasciagron.v37i1.19360.