TY  - GEN
AU  - Andreassen, Karl
TI  - Cryptology and the personal computer with programming in basic / 
SN  - 089412145
U1  - 005.82,AND 
PY  - 1986///
CY  - USA
PB  - Aegean Park Press
N1  - The Art of Encoding and Decoding (Page-9), The Art of Encoding and Decoding (Page-15), The Magic Matrix (Page-28), Letter Frequency Distribution (Page-41), Scrambled Alphabets (Page-55), The Electronic Slate (Page-65), Color Cryptology (Page-74), Colorful Cryptology (Page-84), Colorful  Cryptology (Page-95), Colorful Cryptology (Page-102), Colorful Cryptology (Page-107), Colorful Cryptology (Page-113), Colorful Cryptology (Page-123), Colorful Cryptology (Page-130)
ER  -