[1]
Ely, D.F. and Barros, O.N.F. 1996. Ocupation of the soil at the Tibagi River Basin. Semina: Ciências Agrárias. 17, 1 (Feb. 1996), 33–37. DOI:https://doi.org/10.5433/1679-0359.1996v17n1p33.