Sturm, P., Cheng, Z., Chen, P., Poo, A., & PROGRAMME, B. O. T. (2014). Focal length calibration from two views: Method and analysis of singular cases.

Sturm, P., Z.L Cheng, P.C.Y Chen, A.N Poo, و BACHELOR OF TECHNOLOGY PROGRAMME. Focal Length Calibration From Two Views: Method and Analysis of Singular Cases. 2014.

Sturm, P., et al. Focal Length Calibration From Two Views: Method and Analysis of Singular Cases. 2014.