TY  - BOOK
AU  - Hedderson,John
AU  - Fisher,Melinda
TI  - SPSS made simple
SN  - 0534199925
PY  - 1993///
CY  - Belmont, Ca.
PB  - Wadsworth Publishing Co.
KW  - SPSS (Computer file)
KW  - Social sciences
KW  - Statistical methods
KW  - Computer programs
N1  - Rev. ed. of: SPSS made simple, c1987
ER  -