Alyea, L. Human Detection and Positive Identification: Methods and Technologies. SPIE Digital Library.
Chicago-viite (17. p.)Alyea, Lisa. Human Detection and Positive Identification: Methods and Technologies. SPIE Digital Library.
MLA-viite (9. p.)Alyea, Lisa. Human Detection and Positive Identification: Methods and Technologies. SPIE Digital Library.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.