TY  - BOOK
ED  - SPSS Inc
TI  - SPSS/PC+ trends for the IBM PC/XT/AT and PS/2
SN  - 0923967141
AV  - HA32 
PY  - 1990///
CY  - Chicago, Illanois
PB  - SPSS
KW  - Social sciences
KW  - Data processing
KW  - SPSS/PC+ trends (Computer file)
N1  - Includes bibliographical references and index
ER  -