TY  - BOOK
AU  - Leamer,Edward E
TI  - Specification searches: : ad hoc inference with nonexperimental data / 
SN  - 0471015202
PY  - 1978///
CY  - New York: 
PB  - Wiley, 
KW  - Mathematical statistics
N1  - 'A Wiley-Interscience publication.'; Includes index; Bibliography: p. 350-366
ER  -