TY  - BOOK
AU  - Nie, Norman H
TI  - SPSS-Statistical package for the social sciences
SN  - 0070465312
U1  - 320.2854 
PY  - 1975///
CY  - New york
PB  - McGraw-Hill Book Co
KW  - Eelectronic data processing
KW  - Social sciences
ER  -