TY - BOOK AU - Haster, Stephen TI - Online Retrival : Concepts, Principles, and Techniques SN - 0123284562 U1 - 025.524 HAR/Onl PY - 1986/// CY - Orland PB - Academic Press, Inc. KW - Computer Science KW - Data Processng KW - Online Data-Processig KW - Information Retrival ER -