TY  - BOOK
AU  - RobertsL.
TI  - Introduction to geological maps and structures
SN  - 0-08-023982-X
AV  - QE36.R63 
PY  - 1981///
CY  - Oxford
PB  - : Pergamon Press
KW  - Maps
KW  -  Geology
KW  -  structural
N1  - Includes bibliograghy and Index
ER  -