(1976). Specification for lightweight aggregates for concrete =: Specification pour granulats legers pour le beton = Spezifikation fur Leichtaggregate fur Beton. London: British Standards Institution.
Παραπομπή Chicago StyleSpecification for Lightweight Aggregates for Concrete =: Specification Pour Granulats Legers Pour Le Beton = Spezifikation Fur Leichtaggregate Fur Beton. London: British Standards Institution, 1976.
Παραπομπή MLASpecification for Lightweight Aggregates for Concrete =: Specification Pour Granulats Legers Pour Le Beton = Spezifikation Fur Leichtaggregate Fur Beton. London: British Standards Institution, 1976.
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