TY - BOOK ED - Concrete Society TI - Case study of the comparative costs of a building constructed using lightweight aggregate : and dense aggregate concrete AV - TA439 C572 no. 106 PY - 1983/// CY - London PB - The Society KW - Lightweight concrete KW - Case studies KW - Aggregates (Building materials) N1 - Xerox copy; PB 84-233881 ER -