000 00462nam a2200145Ia 4500
008 140208s9999 xx 000 0 und d
044 _aU.S.A.
080 _a581.202 J237M
100 _aJames, Clive
245 _aManual of assessment keys for plant diseases
_cClive James
260 _bAmerican Phylopathological Society
_aMinnesota
_c1971
300 _avaries p.; 18cm.
490 _a(Canada department of agriculture publication; no.1458)
942 _2udc
_cREF
999 _c16778
_d16778