Acta Astronautica
Acta Astronautica > 2011 > 68 > 1-2 > 240-252
Acta Astronautica > 2011 > 68 > 1-2 > 172-184
Acta Astronautica > 2011 > 68 > 7-8 > 1126-1146
Acta Astronautica > 2011 > 68 > 7-8 > 1168-1175
Acta Astronautica > 2011 > 69 > 7-8 > 691-702
Acta Astronautica > 2011 > 69 > 7-8 > 595-611
Acta Astronautica > 2011 > 69 > 7-8 > 650-657
Acta Astronautica > 2011 > 69 > 9-10 > 869-881