A method for resolving occlusions when multitracking individuals in a shoal
Behavior Research Methods (2015) - Comment
pubmed: 25294043  doi: 10.3758/s13428-014-0520-9  issn: 1554-3528 

Ruth Dolado, Elisabet Gimeno, Francesc S. Beltran, Vicenç Quera, José F. Pertusa