000 00615nam a2200217Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a634.932
_bIm34
100 _aSisam J W B
110 _aImperial Agricultural Bureaux
245 _aUse of aerial survey in forestry and agriculture
260 _aOxford
_bImperial Forestry Bureaux
_c1947
300 _a59p.
440 _aImperial agricultural bureaux joint publication; no.9
650 _aAerial survey
650 _aAgriculture
650 _aForestry
650 _aForestry engineering
942 _cBK
999 _c28579
_d28579