TY  - BOOK
AU  - Collis,L.
AU  - Fookes,P.G.
AU  - Smith,M.R.
TI  - Aggregates: sand, gravel and crushed rock aggregates for construction purposes 
T2  - Geological Society engineering geology special publication
SN  - 1862390797
PY  - 2001///
CY  - London : 
PB  - Geological Society, 
KW  - Aggregates (Building materials)
KW  - Stone, Crushed
N1  - Previous ed.: 1993; Includes bibliographical references and index
ER  -