000
00259nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
WHO
100
_a
WHO
245
_a
Safe use of pesticides WHO tech. Rep. Series 720
260
_b
_c
1985
942
_c
BK
_2
ddc
999
_c
5170
_d
5170