TY  - BOOK
AU  - Alwin,Duan F.
TI  - Margins of error: a study of reliability in survey measurement 
SN  - 9780470081488
AV  - HA31.2  .A48 2007
PY  - 2007///
CY  - Hoboken, NJ
PB  - John Wiley
KW  - Surveys
KW  - Erroe analysis (Mathematics)
ER  -