TY  - BOOK
AU  - Hull,C.Hadlai,ed
AU  - Nie,Norman H.,ed
TI  - SPSS update 7-9 : new procedures and facilities for releases 7-9
AV  - HA32 S18
PY  - 1981///
CY  - New York, N.Y.
PB  - McGraw-Hill
KW  - SPSS (ELECTRONIC COMPUTER SYSTEM)
ER  -