Mostrar 1 - 3 resultats de 3 per cerca 'Ernst Pfeffer', hora de la petició: 0.01sec Refinar resultats
  1. 1
    Niteogen and phosphorus nutrition of cattle: Reducing the environmental impact of cattle operations
    per Alexander N Hristov, Ernst Pfeffer
    Publicat 2005
    Printed Book
  2. 2
    Nitrogen and phosphorus nutrition of cattle: Reducing the environmental impact of cattle operations
    per Alexander N Hristov, Ernst Pfeffer
    Publicat 2005
    Printed Book
  3. 3
    Nitrogen and Phosphorus Nutrition of Cattle: Reducing the Environmental Impact of Cattle Operations
    per Alexander N Hristov, Ernst Pfeffer
    Publicat 2005
    Printed Book
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