00593cam a2200181 4500 337752732 TxAuBib 20180130120000.0 150502s2015||||||||||||||||||||||||eng|u 9781508636335 PAP 1508636338 PAP TxAuBib Bazzell, Michael. Open Source Intelligence Techniques [REF] : Resources for Searching and Analyzing Online Information. Createspace Independent Pub, 2015. 418 p. 20180130.