000 00327nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a581.2:63(058)
_bSTE
245 0 _aPlant diseases: The yearbook of agriculture.
260 _aWashington
_bUSDA
_c1953
650 _aPlant diseases
700 _aSTEFFERUD, Alfred
942 _cBK
999 _c19637
_d19637