diff -r 9595ab4cac6b -r ef8a9bc67e15 vendor/plugins/redmine_bibliography/db/migrate/002_create_publications.rb
--- a/vendor/plugins/redmine_bibliography/db/migrate/002_create_publications.rb
+++ b/vendor/plugins/redmine_bibliography/db/migrate/002_create_publications.rb
@@ -2,7 +2,6 @@
   def self.up
     create_table :publications do |t|
       t.column :title, :string
-      t.column :bibtex_entry_id, :string
     end
   end
 
diff -r 9595ab4cac6b -r ef8a9bc67e15 vendor/plugins/redmine_bibliography/db/migrate/004_create_bibtex_entries.rb
--- a/vendor/plugins/redmine_bibliography/db/migrate/004_create_bibtex_entries.rb
+++ b/vendor/plugins/redmine_bibliography/db/migrate/004_create_bibtex_entries.rb
@@ -1,6 +1,7 @@
 class CreateBibtexEntries < ActiveRecord::Migration
   def self.up
     create_table :bibtex_entries do |t|
+      t.column :publication_id, :integer
       t.column :entry_type, :string
       t.column :address, :string
       t.column :annote, :string