Columbia subject headings:
Buildings--Repair and reconstruction--Periodicals.
Concrete construction--Great Britain--Maintenance and repair--Periodicals.
Concrete construction--Maintenance and repair--Periodicals.
Harvard subject headings:
Buildings--Repair and reconstruction--Periodicals.
Concrete construction--Great Britain--Maintenance and repair--Periodicals.
Concrete construction--Maintenance and repair--Periodicals.
Princeton subject headings: