TY  - BOOK
AU  - Cameron,I.B.
ED  - Her Majesty΄s Stationery Office
TI  - Sources of aggregate in Northern Ireland
T2  - Institute of Geological Sciences : Natural Environment Research Council. 70/5
SN  - 0118801171
U1  - 628.114161 
PY  - 1970///.
CY  - London: 
PB  - Her Majesty's Stationery Office, 
KW  - Sources
KW  - Northern Ireland
N1  - Includes bibliographical references (p. 29)
ER  -