(1965). Specification for aggregates from natural sources for concrete (including granolithic). London: British Standards Institution.
Παραπομπή Chicago StyleSpecification for Aggregates From Natural Sources for Concrete (including Granolithic). London: British Standards Institution, 1965.
Παραπομπή MLASpecification for Aggregates From Natural Sources for Concrete (including Granolithic). London: British Standards Institution, 1965.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.