Junges, A.H. Fontana, D.C. Pinto, D.G. <br/><br/>
Identification of croplands of winter cereals in Rio Grande do Sul state, Brazil, through unsupervised classification of normalized difference vegetation index images 

<br/><br/><label>Subjects--Topical Terms: </label><br/>SENSORIAMENTO REMOTO<br/>TRIGO<br/>CEREAL<br/>PRODUCAO<br/>LEVANTAMENTO<br/>ANALISE