TY  - BOOK
AU  - Lansing,John B
AU  - James N. Morgan.
TI  - Economic survey methods 
SN  - 0-8794-008-2
AV  - HC28.L3 
PY  - 1971///
CY  - Ann Arbor
PB  -  : Survey Research Center
KW  - Economic surveys
N1  - Includes bibliographical references
ER  -