00497nam a2200109Ia 4500008004100000082002600041245011700067260002400184300001000208600012500218650004400343130903s9999    xx            000 0 und d  a633.74:631.524.86  N9  aProceedings of the international workshop on the contribution of disease resistance to cocoa variety improvement  aU.K.bINGENICc1999  a219p.  aInternational workshop on the contribution of disease resistance to cocoa variety improvement, Salvador, 24-26, Nov.1996  aCocoa,Cocoa-disease and pest resistance