TY  - BOOK
AU  - Harper, Allen
TI  - Gray hat hacking : the ethical hacker's handbook .- 3rd ed.
SN  - 9780071742559 (alk. paper)
U1  - 004.056.53 
PY  - 2011///
CY  - New York
PB  - McGraw-Hill
KW  - Computer security
KW  - Hackers
ER  -