TY  - BOOK
AU  - Kirtland, Joseph
TI  - Identification numbers and check digit schemes
SN  - 9780883857205
SN  - 108052
U1  - 512.7 KIR 
PY  - 2001///
CY  - Wsshington, DC
PB  - Mathematical Association of America
KW  - Check digit schemes
KW  - Number theory
N1  - Includes bibliographical references (p. 167-171) and index
ER  -