Ilha, G., Bianchin, M., & Riffel, R. (2016). The origin of the near-IR line emission from molecular, low and high ionization gas in the inner kiloparsec of NGC 6240. Astrophysics & Space Science, 361(6), 1-9. https://doi.org/10.1007/s10509-016-2760-x

Ilha, Gabriele, Marina Bianchin, and Rogemar Riffel. "The Origin of the Near-IR Line Emission from Molecular, Low and High Ionization Gas in the Inner Kiloparsec of NGC 6240." Astrophysics & Space Science 361, no. 6 (2016): 1-9. https://doi.org/10.1007/s10509-016-2760-x.

Ilha, Gabriele, et al. "The Origin of the Near-IR Line Emission from Molecular, Low and High Ionization Gas in the Inner Kiloparsec of NGC 6240." Astrophysics & Space Science, vol. 361, no. 6, 2016, pp. 1-9, https://doi.org/10.1007/s10509-016-2760-x.