TY  - BOOK
AU  - Perkins,Philip Harold
TI  - Concrete structures: repair, waterproofing and protection 
SN  - 0853346976
PY  - 1976///
CY  - London : [s.n]
KW  - Concrete construction
KW  - Maintenance and repair
KW  - Water proofing
KW  - Concrete coatings
ER  -