000
00261nam a2200097Ia 4500
008
160212s9999 xx 000 0 und d
245
_a
Improving food crop production on small farms in Africa
260
_c
1987
_a
Rome
_b
FAO
300
_a
x 516p.
942
_2
udc
_c
FAO
999
_c
29977
_d
29977