TY  - BOOK
AU  - Roberts L John
TI  - The Macmillan field guide to Geological structures 
SN  - 0333421493
AV  - QE36 .R61989
PY  - 1989///
CY  - London
PB  - Macmillan press
KW  - Geological structures
N1  - Includes index
ER  -