8th SOHO Workshop: Plasma Dynamics and Diagnostics in the Solar Transition Region and Corona. Proceedings of the Conference held 22-25 June 1999 in CAP 15, 1-13 Quai de Grenelle, 75015 Paris, France. Sponsored by ESA, NASA, C.N.R.S.-I.N.S.U., Euroconferences, Institut d'Astrophysique Spatiale, Matra Marconi Space, SCOSTEP, Université Paris XI. ESA Special Publications 446. Edited by J.-C. Vial and B. Kaldeich-Schümann., p.71