TY  - BOOK
AU  - Lansing, John B.
AU  - Morgan, James N.,
TI  -  Economic survey methods
U1  - 330/.072/3 
PY  - 1971///
CY  - [Ann Arbor, Michigan]
PB  - Survey Research Center, University of Mic higan]
KW  - Economic surveys
N1  - Includes bibliographical references and index
ER  -