@CONFERENCE\{IMM1997-0480, author = "G. H. Golub and P. C. Hansen and D. P. {O'}Leary", title = "Return of the {TLS} Regularization", year = "1997", pages = "112-122", booktitle = "Proceedings of the Interdisciplinary Inversion Workshop 5", volume = "", series = "", editor = "B. H. Jacobsen", publisher = "Dept. of Earth Science", organization = "", address = "Aarhus University", url = "http://www2.compute.dtu.dk/pubdb/pubs/480-full.html" }