TY - BOOK AU - Eardley,A. AU - Marshall,David V. AU - Ritchie,R.T. TI - Information systems SN - 0851214916 (pbk) PY - 1989/// CY - Harlow PB - Longman in co-operation with the Chartered Association of Certified Accountants KW - Information storage and retrieval systems KW - Information systems N1 - Includes index; Includes bibliographical references ER -