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app/models/user/user.rb

@@ -23,7 +23,8 @@ class User
   has_one :desktop, :autosave => true, :dependent => :destroy
   has_many :other_accounts, :autosave => true, :dependent => :destroy
   has_many :journals, :autosave => true, :dependent => :destroy
-  
+  has_many :papers, :autosave => true, :dependent => :destroy
+
   belongs_to :role
   has_and_belongs_to_many :sub_roles
   accepts_nested_attributes_for :attribute_values, :allow_destroy => true