TY  - BOOK
AU  - BILLINGS, MARLAND P.
TI  - GEOLOGY STRUCTURAL
T2  - 0
U1  - 551.8 
PY  - 1957///
CY  - INGLATERRA
PB  - PRENTOCE-HALL,INC
KW  - CIENCIAS PURAS
N1  - MECHANICAL-FOLDS-CLASSIFICATION
ER  -