Add magazines.

Cicm.Database/Models/Magazine.cs

@@ -0,0 +1,16 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace Cicm.Database.Models
+{
+    public class Magazine : DocumentBase
+    {
+        [StringLength(8, MinimumLength = 8)]
+        public string Issn { get; set; }
+        [DisplayFormat(DataFormatString = "{0:d}")]
+        [DataType(DataType.Date)]
+        public DateTime? FirstPublication { get; set; }
+
+        public virtual Iso31661Numeric Country { get; set; }
+    }
+}