@misc{indiciae528d7ddd4a43, title = {Optimizing distal landmarks: horizontal versus vertical structures and relation to background.}, author = {A S Etienne and S Joris-Lambert and R Maurer and B Reverdin and S Sitbon}, year = {1995}, doi = {10.1016/0166-4328(94)00165-c}, url = {https://pubmed.ncbi.nlm.nih.gov/7619303/}, note = {Source identifier: 7619303} }