message: Fix AKAZE bib reference using dblp.org and bmva.org sources.
diff: url = {https://www.doc.ic.ac.uk/~ajd/Publications/alcantarilla_etal_eccv2012.pdf}
  }
  @article{ANB13,
  - author = {Alcantarilla, Pablo F and Nuevo, Jes{\'u}s and Bartoli, Adrien},
  + author = {Pablo Fern{\'{a}}ndez Alcantarilla and Jes{\'{u}}s Nuevo and Adrien Bartoli},
  + editor = {Tilo Burghardt and Dima Damen and Walterio W. Mayol{-}Cuevas and Majid Mirmehdi},
  title = {Fast Explicit Diffusion for Accelerated Features in Nonlinear Scale Spaces},
  - year = {2011},
  - pages = {1281--1298},
  - journal = {Trans. Pattern Anal. Machine Intell},
  - volume = {34},
  - number = {7},
  - url = {http://www.bmva.org/bmvc/2013/Papers/paper0013/paper0013.pdf}
  + booktitle = {British Machine Vision Conference, {BMVC} 2013, Bristol, UK, September 9-13, 2013},
  + pages = {13.1--13.11},
  + publisher = {{BMVA} Press},
  + year = {2013},
  + url = {https://doi.org/10.5244/C.27.13},
  + doi = {10.5244/C.27.13},
  + timestamp = {Sat, 09 Apr 2022 12:44:13 +0200},
  + biburl = {https://dblp.org/rec/conf/bmvc/AlcantarillaNB13.bib},
  + bibsource = {dblp computer science bibliography, https://dblp.org}
  }
  @inproceedings{Andreff99,
  author = {Andreff, Nicolas and Horaud, Radu and Espiau, Bernard},
  