Bharat K. Bhargava Melliyal Annamalai Shalab Goel Shunge Li Evaggelia Pitoura Aidong Zhang Yongguang Zhang DL-Raid: An Environment for Supporting Digital Library Services. 281-300 1994 conf/dl/1994 DL db/conf/dl/dl94.html#BhargavaAGLPZZ94