TY  - BOOK
AU  - Goertz,Gary
AU  - Starr,Harvey
TI  - Necessary conditions: theory, methodology, and applications 
SN  - 0742519252 (hbk.)
PY  - 2003///
CY  - Lanham, Md.
PB  - Rowman & Littlefield
KW  - Social sciences
KW  - Methodology
KW  - Logic
N1  - Includes bibliographical references ( p. [305]-335) and indexes
ER  -