The skulls are often claimed to exhibit paranormal phenomena by some members of the New Age movement, and have often been portrayed as such in fiction.
0-07-222966-7.<br>== Zunanje povezave ==*patterns & practices Security Engineering Explained*Open Security Architecture- Controls and patterns to secure IT systems*Introduction to Security Governance*COE Security - Information Security Articles*An Introduction to Information Security*Example Security Policy*IWS - Information Security Chapter== Literatura ==