Authors: Helmer, EH

Citation: Eh. Helmer, The landscape ecology of tropical secondary forest in montane Costa Rica, ECOSYSTEMS, 3(1), 2000, pp. 98-114

Authors: Helmer, EH Brown, S Cohen, WB

Citation: Eh. Helmer et al., Mapping montane tropical forest successional stage and land use with multi-date Landsat imagery, INT J REMOT, 21(11), 2000, pp. 2163-2183