| 000 | 00551 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a634.9:632.913 _bF 686 Q |
||
| 245 | 1 | _aQuarantine requirements and procedure to prevenet introduction and spread of exotic pests of mutual concern to member countries of the North American Forestry Commission | |
| 260 |
_aWashington _bU.S.D.A. _c1972 |
||
| 650 | _aQuarantine Requirements | ||
| 650 | _aForestry | ||
| 700 | _aF.A.O. Study Group on Forest Insects & Diseases North American Forestry Commission | ||
| 100 |
_a _d |
||
| 300 | _a20 p. | ||
| 901 | _a119403 | ||
| 999 |
_c86456 _d86456 |
||