elsif(oas[obj_attr].attr_type == "reference")
  item[obj_attr] = oas[obj_attr].ref_class.constantize.find_or_create(oas[obj_attr].ref_attr, row[index].to_s)
end

  def find_or_create(attribute, value, user)
    c = Country.find(:first, :conditions => attribute + "='" + value + "'")
    c = Country.create(attribute.to_sym => value, :created_by => user, :updated_by => user, :owner => user) unless c
    return c
  end