Stephen Horan
Masaaki Murata
AAS/AIAA Astrodynamics Conference (1999 Girdwood, Alaska)
Unknown Author
Robert Martin Eisberg
Cornelius Christian Veithen
George W. Rosborough
P. W. Chodas
Thomas H. Stengle
Paul Chodas
Jean de Lafontaine
Kathy R. Hartman
Colloque "Calcul numérique, calcul physique," (1960 Paris, France)
Rudolf Zahradník
G. B. Sincarsin