Mini-micro CDS/ISIS reference manual : version 2.3 / UNESCO - Paris : UNESCO, c1989. - xiv,286+v p. : ill. ; 29 cm. Includes index. ISBN: 921026055 LCCN: Subjects--Topical Terms: Information retrieval system LC Class. No.: Z699.4 / .I19 1989 Dewey Class. No.: 025.04 / M664