| 000 | 00353pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_a301 _bZ6h |
||
| 100 | _aZipf, George Kingsley | ||
| 245 | 1 |
_aHUMAN BEHAVIOR AND THE PRINCIPLE OF LEAST EFFORT _cAN INTRODUCTION TO HUMAN ECOLOGY |
|
| 260 |
_aN. Y. _bHafner _c1965 |
||
| 300 | _a573 | ||
| 650 | _aHuman Ecology | ||
| 964 | _gCIRC | ||
| 997 | _a70532 C | ||
| 999 |
_c420344 _d420344 |
||