first step of semantic tree, just to save. it will not be used as this in this project.
__all__ = ['Imprint', 'Serie', 'ProjectName', 'CorporateAuthor', 'Url',
'Subject', 'Theme', 'Country', 'Isbn','Issn', 'DocumentCode',
'Language', 'Title', 'AddedTitle', 'TitleMainDocument', 'Abstract'
'Collation', 'VolumeIssue', 'Author', 'SubjectPerson', 'Periodical',
'Meeting', 'SubjectMeeting', 'Record', 'User']
from p4l.models.data import (Imprint, Serie, ProjectName, CorporateAuthor, Url,
Subject, Theme, Country, Isbn, Issn, DocumentCode, Language, Title,
AddedTitle, TitleMainDocument, Abstract, Collation, VolumeIssue, Author,
SubjectPerson, Periodical, Meeting, SubjectMeeting, Record)
from p4l.models.user import User