@article { shasertei2009, author = "Shahidian, shakib and Serralheiro, Ricardo and Teixeira, José Luís and Santos, Francisco and Oliveira, Mario do Rosário and Costa, José and Toureiro, Célia and Haie, Naim and Machado, Rui", title = "Drip Irrigation using a PLC based Adaptive Irrigation System", year = "2009" }