TY  - BOOK
AU  - Palmer,Roger C.
TI  - The bar code book: reading, printing, specification, and application of bar code and other machine readable symbols 
SN  - 0911261095
PY  - 1995///
CY  - Peterborough, N.H.
PB  - Helmers Publishing, Inc.
KW  - Bar coding
N1  - Includes index; Data entry techniques--History of Bar code--Symbologies
ER  -