F. Francisco; O. Bertolami; P. J. S. Gil; J. Páramos (2012). "Modelling the reflective thermal contribution to the acceleration of the Pioneer spacecraft". Advances in Space Research. 49 (3): 337–346. arXiv:1103.5222. Bibcode:2012AdSpR..49..579S. doi:10.1016/j.asr.2011.10.016.
F. Francisco; O. Bertolami; P. J. S. Gil; J. Páramos (2012). "Modelling the reflective thermal contribution to the acceleration of the Pioneer spacecraft". Advances in Space Research. 49 (3): 337–346. arXiv:1103.5222. Bibcode:2012AdSpR..49..579S. doi:10.1016/j.asr.2011.10.016.
F. Francisco; O. Bertolami; P. J. S. Gil; J. Páramos (2012). "Modelling the reflective thermal contribution to the acceleration of the Pioneer spacecraft". Advances in Space Research. 49 (3): 337–346. arXiv:1103.5222. Bibcode:2012AdSpR..49..579S. doi:10.1016/j.asr.2011.10.016.