3. Sugarbaker EV, Ketchan AS. Inhibitory effect of a primary tumor. In: Gerattini S, Lewis MG, eds. Progress in Cancer Research and Therapy, Raven Press, New York, 1977; pp 227–240.

Middleton, N., and Thomas, D., eds., 1997, World Atlas of Desertification, 2nd. ed., Arnold, London, p. 182.

5. G. Boccignone, and A. Picariello, (2005), “Foveated Shot Detection for Video Segmentation”, IEEE Transaction on Cicuits and System for Video Technology, vol. 15, Issue 3, pp. 365-377.

Donoho, D.L. and Gasko, M. (1992) Breakdown properties. The Annals of Statistics, 20, 1803–1827.

DM. Kristensen, M. Kalisz, JH. Nielsen. Cytokine Signaling in embryonic stem cells. Acta Pathologica Microbiologica et Immunologica Scandinavica 113 (2005) 756-772.