@article{lasa_irañeta_muro_irigoyen_aparicio tejo_2011,  title={Isotopic composition of maize as related to N-fertilization and irrigation in the Mediterranean region},  volume={68},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162011000200008},  DOI={10.1590/S0103-90162011000200008},  number={2},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Lasa, Berta and Irañeta, Iosu and Muro, Julio and Irigoyen, Ignacio and Aparicio Tejo, Pedro María},  year={2011},  month={Mar},  pages={182–190} }