1. Aggarwal, J. K., Davis, L. S., Martin, W. N., and Roach, J. W. Survey: Representation methods for three-dimensional objects. In L. N. Kanal and A. Rosenfeld (editor), Progress in Pattern Recognition, pages 377–391. North-Holland Pub., Amsterdam, 1981.
2. Agin, G. J. and Binford, T. O. Computer description of curved objects. In Proceedings of the Third International Joint Conference on Artificial Intelligence, pages 629–640. August, 1973. Also appeared in IEEE Transactions on Computers, 1976, Vol. C-25, pages 439–449.
3. Altschuler, M. D., Altschuler, B. R., and Taboada, J. Laser electro-optic system for rapid three-dimensional topographic mapping of surfaces. Optical Engineering 20: 953–961, 1981.
4. Altschuler, M. D., Posdamer, J. L., Frieder, G., Altschuler, B. R., and Taboada, J. The numerical stereo camera. In B. R. Altschuler (editor), 3-D Machine Perception, pages 15–24. SPIE, 1981.
5. Altschuler, M. D., Posdamer, J. L., Frieder, G., Manthey, M. J., Altschuler, B. R., and Taboada, J. A medium-range vision aid for the blind. In Proc. of the Int. Conf. on Cybernetics and Society, IEEE, pages 1000–1002. 1980.