@article{blochtein_nunes-silva_halinski_lopes_witter_2014,  title={Comparative study of the floral biology and of the response of productivity to insect visitation in two rapeseed cultivars (<i>Brassica napus</i> L.) in Rio Grande do Sul},  volume={74},  ISSN={1519-6984},  url={https://doi.org/10.1590/1519-6984.02213},  DOI={10.1590/1519-6984.02213},  number={4},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Blochtein, B and Nunes-Silva, P and Halinski, R and Lopes, LA and Witter, S},  year={2014},  month={Nov},  pages={787–794} }