| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c4140 _d4140 |
||
| 008 | 171016b xxu||||| |||| 00| 0 eng d | ||
| 100 |
_aBLALOCK, Hubert M. _95018 |
||
| 245 | _aCausal Inferences in Nonexperimental Research | ||
| 260 |
_aChapel Hill _bThe University of North Carolina Press _c1964 |
||
| 300 | _aviii,;188p. | ||
| 650 |
_aSocial Science _vResearch _96250 |
||
| 942 | _cBK | ||
| 050 | _aH61.B53 | ||