TY  - BOOK
AU  - Norusis,Marija J.
TI  - SPSS/PC + Base system user's guide: version 5.0 
SN  - 0131776924
PY  - 1992///
CY  - Chicago, Ill.
PB  - SPSS Inc.
KW  - SPSS (Computer file)
KW  - Social sciences
KW  - Statistical methodsx
N1  - Includes bibliographical references and index; Important DOS concepts--Preparing data for analysis--Selecting, weighting, and ordering cases
ER  -