TY  - BOOK
ED  - SPSS Inc.
TI  - SPSS X user's guide
SN  - 0918469511 (pbk.)
PY  - 1988///
CY  - Chicago
PB  - SPSS
KW  - SPSS X (Computer system)
KW  - Social Sciences
KW  - Data processing
N1  - Includes index; Includes bibliographical references
ER  -