Raj, A. S. Bhaskar. Bar codes : technology and implementation / A S Bhaskar Raj. - New Delhi : Tata McGraw-Hill Publishing, 2001. - xxviii, 346 p. : ill. (some col.) ; 23 cm. Includes index. ISBN: 0074638491 9780074638491 Subjects--Topical Terms: Bar coding--India.Product coding--India.