00403nam a2200157Ia 4500008004100000020002200041035001000063082001200073100001800085245006400103250000600167260003500173300000800208500000900216650002000225210723s9999||||xx |||||||||||||| ||und||  a978-81-7000-627-5  a44001  a20BDEV  aDevarajan, G. 0aReadings In Information Sciences And Information Technology  a-  aN. DelhibEss Ess Publications  a163  a1611  aLibrary Science