| 000 | 00522nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 160601s9999 xx 000 0 und d | ||
| 100 |
_aLave, Lester B _925078 |
||
| 245 | _aTechnological chnage : its conception and measurement | ||
| 260 | _aEnglewood cliffs | ||
| 260 | _bPrentice - hall inc. | ||
| 260 | _c1966 | ||
| 300 | _axx,288p.; 22cm. | ||
| 650 |
_aAppalachian agriculture _925103 |
||
| 650 |
_aEmpirical estimates _925104 |
||
| 650 |
_aModels measuring change _925105 |
||
| 650 |
_aTechnological innovations _91646 |
||
| 999 |
_c8292 _d8292 |
||