1.
[作者] Lasse Amundsen
[篇名] Comparison of the least-squares criterion and the Cauchy criterion in frequency-wavenumber inversion
[卷期] Geophysics; December 1991; v. 56; no. 12; p. 2027-2035; DOI: 10.1190/1.1443015
[链接] http://geophysics.geoscienceworld.org/cgi/content/abstract/56/12/2027

2.
[作者]Sacchi, M. D., and Ulrych, T. J.,
[篇名]High-resolution velocity gathers and offset space reconstruction
[卷期]Geophysics, 1995, 60, 1169-1177.
[链接]http://library.seg.org/getabs/servlet/GetabsServlet?prog=normal&id=GPYSA7000060000004001169000001&idtype=cvips&gifs=yes&ref=no

3.
[作者] Peter F. Thall   
[篇名] Huber-Sense Robust M-Estimation of a Scale Parameter, with Applications to the Exponential Distribution
[卷期] Journal of the American Statistical Association  Vol. 74, No. 365 (Mar., 1979), pp. 147-152
(article consists of 6 pages)  Published by: American Statistical Association

[链接] Stable URL: http://www.jstor.org/stable/2286744