TY  - BOOK
AU  - Platt,John Isaac
AU  - Challinor,John
TI  - Simple geological structures: a series of notes and map exercises
SN  - 045500045X
PY  - 1968///
CY  - London: 
PB  - Thomas Murby & Co., 
KW  - Geology
KW  - Maps
KW  - Geology, Structural
ER  -