TY  - BOOK
AU  - Littler,A.
TI  - Sand And Gravel Production
U1  - 338.2762 23
PY  - 1990///
CY  - United Kingdom
PB  - The Institute Of Quarrying
KW  - Sand and gravel industry
KW  - Great Britain
KW  - Statistics
N1  - Includes bibliographical references (p.: 197 - 198 )
ER  -