I. Konig, P. Beau, and K. David. Medical Information and Communication Technology (ISMICT), 2014 8th International Symposium on, page 1-5. (April 2014)
D. Hogg. (1999)cite arxiv:astro-ph/9905116
Comment: This short and purely pedagogical text is not submitted anywhere but
here. Errors reported to the author will be rewarded with gratitude and
acknowledgements.