TY  - BOOK
AU  - Bulmer, Martin 
AU  - Sturgis  Patrick J 
ED  - Allum Nick
TI  - Secondary analysis of survey data
SN  - 9781412903844
U1  - 300.72 
PY  - 2009///
CY  - Los Angeles
PB  - Sage
KW  - Social sciences -- Statistical methods
ER  -