‡a
manualofbritishstandardsinbuildingconstructionandspecification
‡A
Manual of British standards in building construction and specification /
‡l
eng
‡9
1
‡a
british standards institution in association with hutchnison longwood pub group
‡b
British Standards Institution in association with Hutchnison;
‡b
Longwood Pub. Group,
‡9
1