pdf	PDF sense OCR	Figura1.pdf Figura10.pdf Figura11.pdf Figura12.pdf Figura2.pdf Figura3.pdf Figura4.pdf Figura5.pdf Figura6.pdf Figura7.pdf Figura8.pdf Figura9.pdf scitotenv_a2019v673p184.pdf taula1.pdf taula2.pdf taula3.pdf taula4.pdf taula5.pdf taula6.pdf taula7.pdf