TY  - BOOK
AU  - Bryman,Alan
AU  - Cramer,Duncan
TI  - Quantitative data analysis with SPSS 12 and 13: a guide for social scientists 
SN  - 0415340810
AV  - HA32  .B79 2005
PY  - 2005///
CY  - London
PB  - Routledge
KW  - Social sciences
KW  - Statistical methods
KW  - Computer programs
ER  -