The paper has been published in Computers & Geosciences, it is available in the Publications section. The new release has a set of simple codes to reproduce the figures in the paper.
If you have any comments about this library, or would like to suggest any improvements in the presentation, download, documentation, etc, please let me know.
If you decide to use these codes, please use the following reference. If you want to alter, modify and improve the codes, please feel free to do so but also send me an email to keep track of problems, issues or improvements that are always welcome.
Prieto, G. A., R. L. Parker, F. L. Vernon. (2009), A Fortran 90 library for multitaper spectrum analysis, Computers and Geosciences, 35, pp. 1701-1710. doi:10.1016/ j.cageo.2008.06.007. (PDF)
Download Source Code here (gzipped tar)