000 | 00486nam a2200145Ia 4500 | ||
---|---|---|---|
082 |
_221st ed. _a634.91115 _bSIS/U |
||
100 | _aSisam, J.W.B. | ||
245 |
_aThe use of aerial survey in forestry and agriculture _cby J.W.B. Sisam |
||
260 |
_aOxford : _bImperial Forestry Bureau , _c1947 |
||
300 |
_a107p.: ill ; _c25cm |
||
490 | _aImperial Agricultural Bureaux. Joint Publication; 9 | ||
653 | _aAerial surveys in forestry | ||
653 | _aAeronautics in agriculture | ||
942 |
_cEN _2ddc |
||
999 |
_c29686 _d29686 |