@inproceedings{inproceedings8ffb78a2,
title   = {Class a pan coefficients for estimating daily reference evapotranspiration},
author = {Sentelhas, Paulo César and Coelho, M. A. and Villa Nova, Nílson Augusto and Pereira, Antônio Roberto and Folegatti, Marcos Vinícius},
year = {1999},
booktitle   = {International Symposium on Irrigation of Horticultural Crops}
}