TY  - BOOK
AU  - Platt,John I.
AU  - Challinor, John
TI  - Simple Geological structure:  A series of notes and map exercises 
U1  - 526.8 
PY  - 1940///
CY  - London
PB  - Thomas Murby
KW  - Geology -
KW  - Geology - Structural geology -
N1  - First published 1930, 2nd edition in 1940, reprinted in 1959
ER  -