@INPROCEEDINGS{CH98a, author = {Calude, C. S. and Hertling, P. H.}, title = {Computable Approximations of Reals: An Information--Theoretic Analysis (Extended Abstract)}, booktitle = {Proceedings of the 3rd Conference in Information--Theoretic Approaches to Logic, Languages, and Computation {(ITALLC'98)}}, year = {1998}, editor = {P. Blackburn and N. Braisby and L. Cavedon and S. Glasbey and A. Shimojima}, pages = {29--38}, address = {Hsitou, Taiwan}, month = jun, keywords = {thi1} }