by Edwards, Jr, C.D., Arnold, B., DePaula, R., Kazz, G., Lee, C., Noreen, G.
Published in Acta astronautica (01.07.2006)

by Erickson, K.D., Hammer, F.J., Kahn, P.B., Kazz, G.J.
Published in Acta astronautica (1995)