e-books for cse 4th year 2nd semister

NETWORK MANAGEMENT SYSTEMS: Principles of Network System Administration By Mark Burges
DISTRIBUTED DATABASES: Principles of Distributed Database Systems By M.Tamer Ozsu, Patrick Valduriez
IMAGE PROCESSING: Digital Image Processing By Rafeal C.Gonzalez & Richard E.Woods
VIRTUAL REALITY: click here
E-COMMERCE: click here
DESIGN PATTERNS: click here
BIOMETRICS
HUMAN COMPUTER INTERACTION: The essential guide to user interface design By Wilbert O Galitz
PATTERN RECOGNITION: click here