TY  - BOOK
AU  - Palmer,Roger C.
TI  - The bar code book: a comprehensive guide to reading, printing, specifying, and applying bar code and other machine readable symbols 
SN  - 0911261133
PY  - 2001///
CY  - Peterborough, N.H.
PB  - Helmers Publishing, Inc
KW  - Bar coding
N1  - Includes bibliographical references : (p. 445-448) and index; Data entry techniques--History of Bar code--Symbologies
ER  -