French, Christopher C.; Santomauro, J; Hamilton, Victoria; Fox, Rachel and Thalbourne, M. 2010. Psychological aspects of the alien contact experience. In: Matthew D Smith, ed. Anomalous experiences. Essays from parapsychological and psychological perspectives. Jefferson, NC, USA: McFarland, pp. 136-153. ISBN 978-0-7864-4398-7 [Book Section]

French, Christopher C.; Santomauro, Julia; Hamilton, Victoria; Fox, Rachel and Thalbourne, Michael A.. 2008. Psychological aspects of the alien contact experience. Cortex, 44(10), pp. 1387-1395. ISSN 00109452 [Article]