Bala, Jerzy W.Michalski, Ryszard S.2006-11-142006-11-141991-11Bala, J. W. and Michalski, R. S., "Learning Textural Concepts Through Multilevel Symbolic Transformations," Proceedings of the Third International Conference on Tools for Artificial Intelligence, San Jose, CA, November 9-14, 1991.https://hdl.handle.net/1920/1683723090 bytesapplication/pdfen-USPresentation