Grosjean, F. (2010). "FIDO: French pilot and Security Service double agent malgré lui". International Journal of Intelligence and CounterIntelligence. 23 (2): 337–352. doi:10.1080/08850600903348879. S2CID154793196.
Grosjean, F. (2010). "FIDO: French pilot and Security Service double agent malgré lui". International Journal of Intelligence and CounterIntelligence. 23 (2): 337–352. doi:10.1080/08850600903348879. S2CID154793196.