| 000 | 00400nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1971 xx 000 0 und d | ||
| 082 | _a631.7 A45P | ||
| 100 | _aAmerican Association for Vocational Instructional Materials | ||
| 245 | 0 | _aPlanning for an irrigation system | |
| 260 |
_aAthens, U. S. _c1971 |
||
| 300 | _a28cm. 107 | ||
| 650 | _aIRRIGATION | ||
| 653 | _aIRRIGATION | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c52681 _d52681 |
||