Torr, P., Fitzgibbon, A., & Zisserman, A. (1999). The problem of degeneracy in structure and motion recovery from uncalibrated image sequences. Springer.

Torr, PHS, AW Fitzgibbon, and A. Zisserman. The Problem of Degeneracy in Structure and Motion Recovery from Uncalibrated Image Sequences. Springer, 1999.

Torr, PHS, et al. The Problem of Degeneracy in Structure and Motion Recovery from Uncalibrated Image Sequences. Springer, 1999.