Gill, P; Ivanov, PL; Kimpton, C; Piercy, R; Benson, N; Tully, G; Evett, I; Hagelberg, E; Sullivan, K (1994). "Identification of the remains of the Romanov family by DNA analysis". Nature Genetics. 6 (2): 130–5. doi:10.1038/ng0294-130. PMID8162066. S2CID33557869.
Gill, P; Ivanov, PL; Kimpton, C; Piercy, R; Benson, N; Tully, G; Evett, I; Hagelberg, E; Sullivan, K (1994). "Identification of the remains of the Romanov family by DNA analysis". Nature Genetics. 6 (2): 130–5. doi:10.1038/ng0294-130. PMID8162066. S2CID33557869.
Gill, P; Ivanov, PL; Kimpton, C; Piercy, R; Benson, N; Tully, G; Evett, I; Hagelberg, E; Sullivan, K (1994). "Identification of the remains of the Romanov family by DNA analysis". Nature Genetics. 6 (2): 130–5. doi:10.1038/ng0294-130. PMID8162066. S2CID33557869.