TY  - BOOK
AU  - Howells,M.F.
AU  - Leveridge,B.E.
ED  - Her Majesty΄s Stationery Office
TI  - The Capel Curig Volcanic Formation
T2  - Institute of Geological Sciences : Natural Environment Research Council. 80/6
SN  - 011884184X
U1  - 552.2 
PY  - 1980///.
CY  - London: 
PB  - Her Majesty's Stationery Office, 
KW  - Volcanic ash, tuff, etc
N1  - Includes bibliographical references (p. 15-16)
ER  -