000 | 00339 a2200133 4500 | ||
---|---|---|---|
245 | 1 | _aOperating field dusters in Arizona | |
260 |
_aTucson _c1958 |
||
650 | _aField Dusters | ||
100 | 1 |
_aWelchert, W.T. _d |
|
300 | _a11 p. | ||
440 |
_aNo. 261 _vArizona Agricultural Experiment Station Circular |
||
942 |
_2udc _cB |
||
901 | _a56873 | ||
999 |
_c53753 _d53753 |