The following publications are possibly variants of this publication:
- Distinguishing identical twins by face recognitionP. Jonathon Phillips, Patrick J. Flynn, Kevin W. Bowyer, Richard W. Vorder Bruegge, Patrick Grother, George W. Quinn, Matthew Pruitt. fgr 2011: 185-192 [doi]
- Analysis of Facial Marks to Distinguish Between Identical TwinsNisha Srinivas, Gaurav Aggarwal, Patrick J. Flynn, Richard W. Vorder Bruegge. tifs, 7(5):1536-1550, 2012. [doi]
- A study of face recognition of identical twins by humansSoma Biswas, Kevin W. Bowyer, Patrick J. Flynn. wifs 2011: 1-6 [doi]
- Double Trouble: Differentiating Identical Twins by Face RecognitionJeffrey R. Paone, Patrick J. Flynn, P. Jonathon Phillips, Kevin W. Bowyer, Richard W. Vorder Bruegge, Patrick Grother, George W. Quinn, Matthew T. Pruitt, Jason M. Grant. tifs, 9(2):285-295, 2014. [doi]
- Facial marks as biometric signatures to distinguish between identical twinsNisha Srinivas, Gaurav Aggarwal, Patrick J. Flynn, Richard W. Vorder Bruegge. cvpr 2011: 106-113 [doi]