@book{259703,
	author = {Silveira, R.R.},
	title = {Chlorophyll fluorescence in Brachiaria decumbens and Brachiaria ruziziensis submitted to herbicides},
	url = {https://www.scielo.br/j/pd/a/KMv4dMTYfYsvnWBxDdmrQmd/?format=pdf
lang=en}
}