000 00292nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9251032041
100 _aAderson, jock R
245 _aRisk analysis in dryland farming stems
260 _c1992
300 _aix 59p.
942 _cFAO
_2udc
999 _c25052
_d25052