Communication to : AAAF - international symposium atmospheric reentry vehicles and systems, Arcachon (France), March 16-18, 1999SIGLEAvailable from INIST (FR), Document Supply Service, under shelf-number : 22419, issue : a.1999 n.106 / INIST-CNRS - Institut de l'Information Scientifique et TechniqueFRFranc