@article{shweta_agrawal_2006,  title={Interactive effects between supplemental ultraviolet-B radiation and heavy metals on the growth and biochemical characteristics of Spinacia oleracea L.},  volume={18},  ISSN={1677-0420},  url={https://doi.org/10.1590/S1677-04202006000200007},  DOI={10.1590/S1677-04202006000200007},  number={2},  journal={Brazilian Journal of Plant Physiology},  publisher={Brazilian Journal of Plant Physiology},  author={Shweta, Mishra and Agrawal, S.B.},  year={2006},  month={Apr},  pages={307–314} }