000 00307nam a2200109Ia 4500
008 151015s9999 xx 000 0 und d
020 _a-
245 _aForest plantation protection against dieases and insect pests
300 _a41 1954p.
500 _aFAO Forestry development paper no 3
942 _cFAO
_2udc
999 _c24731
_d24731