TY  - GEN
AU  - Khan, Samin Jan   (MSIS-5)
TI  - A technique to discourage the relay attack on captcha
U1  - 005.8 
PY  - 2010///
CY  - Rawalpindi
PB  - MCS(NUST)
KW  - PG Thesis
KW  - MSIS-5
N1  - Introduction (page-1) Background/Literature survey (page-14) The proposed 3-Captcha machanism and its benefits (page-34) Implementation of proposed Captcha mechanism (page-40) Conclusion (page-52)
ER  -