TY  - BOOK
AU  - Warren,Kenneth S.
TI  - Selectivity in information systems: survival of the fittest 
SN  - 0030697492 (alk. paper)
PY  - 1985///
CY  - New York
PB  - Praeger
KW  - Information storage and retrieval systems
KW  - Science
N1  - Includes bibliogr. references and index
ER  -