TY  - BOOK
AU  - Ragan,Donald M.
TI  - Structural geology. An introduction to geometrical techniques
SN  - 0-471-70481-4
U1  - 551.8 
PY  - 1968///
CY  - New YorkU.S.A.
PB  - John Wiley
KW  - Geologia estructural
N1  - BIBLIOTECA: UACH-FING
ER  -