TY  - BOOK
AU  - Hedderson,John
AU  - Fisher,Melinda
TI  - SPSS made simple / 
SN  - 0534199925   
PY  - 1993///.
CY  - Belmont, California
PB  - Wadworth Publishing, 
KW  - Social sciences
KW  - -Statistical methods
KW  - Computer programs
KW  - SPSS (Computer file)
N1  - Includes bibliography; Includes index
ER  -