000 00325nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a-
100 _aDion ,H.G.
245 _aReport of second meeting of the working party on fertilizers
300 _a45 1952p.
500 _aFAO Devolopment paper no 37
942 _cFAO
_2udc
999 _c24727
_d24727