TY  - BOOK
AU  - Sinkov Abraham
AU  -  Irwin Paul L
TI  - Elementary cryptanalysis: A mathematical approach
T2  - New mathematical library; 22
SN  - 0883856220 (pbk)
U1  - B0b894, K6 
PY  - 1966///
CY  - Washington
PB  - The Mathematical Association of America     
KW  -  Cryptanalysis
KW  - Mathematics
N1  - Appendix A-E, 175-179p
ER  -