@misc{sto-16-sec-2,
  author = {Jorge Stolfi},
  title = {Comments about File No. SR-BatsBZX-2016-30 (II), 2016-11-01},
  url = {https://www.sec.gov/comments/sr-batsbzx-2016-30/batsbzx201630-20.pdf},
  howpublished = {Letter to the US Securities and Exchanges Commission (SEC)},
  year = 2016,
  month = nov
}