| 000 | 00387nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1982 xx 000 0 und d | ||
| 082 | _a519.52 B48O | ||
| 100 | _aBALWANT Singh | ||
| 245 | 0 | _aOn certain improved estimators in the sample survey | |
| 260 |
_bLudhiana _c1982 |
||
| 300 | _a134,3L | ||
| 650 | _aSAMPLING (STATISTICS) | ||
| 653 | _aSAMPLING (STATISTICS) | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c65812 _d65812 |
||