00508nam a2200181Ia 4500008004100000020001500041082001600056100002100072245006600093250000600159260005300165300000800218650002300226650001800249653001900267700002100286700001900307170901s1992    xx            000 0 und d  a041206961X  a581.2bL87I  aLucas, George B. 0aIntroduction to Plant DiseasesbIdentification and Management  a2  aNew DelhibCBS Publishers and Distributorsc1992  a364  aBotanical sciences  aPure Sciences  aPlant diseases  aCampbell, C. Lee  aLucas, Leon T.