TY  - BOOK
AU  - Needham,Christopher D.
TI  - Organizing knowledge in libraries: an introduction to  information retrieval 
T2  - Grafton library science series
SN  - 0233958363
PY  - 1971///]
CY  - Worcester
PB  - The Trinity press
KW  - Cataloging
N1  - Includes bibliographical references and index
ER  -