TY  - BOOK
AU  - Lansing,John B., Morgan, James N.
AU  - x
TI  - Economic survey methods : x
SN  - x 
U1  - 330.018/LAE  
PY  - 1974///
CY  - Michigan 
PB  - I.S.R. 
KW  - Economics
KW  - Statistics
ER  -