Toth, T., Kertész, M., Catasús Guerra, L., Labrada Labrada, J., Pérez Machado, B., Castillo Fonseca, P., & Nieto Martínez, M. (1997). Plant composition of a pasture as a predictor of soil salinity. Universidad de Costa Rica.

Toth, Tibor, Miklós Kertész, Luis Catasús Guerra, Jorge Labrada Labrada, Braulio Pérez Machado, Pedro Castillo Fonseca, and Manuel Nieto Martínez. Plant Composition of a Pasture As a Predictor of Soil Salinity. Universidad de Costa Rica, 1997.

Toth, Tibor, et al. Plant Composition of a Pasture As a Predictor of Soil Salinity. Universidad de Costa Rica, 1997.