New Study of a Multiple Fly-by Mission of Asteroids. Brahic, A. ; Breton, J. ; Caubel, J. ; Cazenave, A. ; Dupuis, Y. ; Lago, B. ; Perret, A. ; Cruvellier, P. ; Minster, J. F. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1979 Bibcode: 1979BAAS...11..562B