TY  - BOOK
AU  - Billings,Marland P.
TI  - Structural geology
U1  - 551.8 
PY  - 1974///
CY  - Englewood CliffsU.S.A.
PB  - Prentice-Hall
KW  - Geologia estructural
N1  - BIBLIOTECA: UACH-FING
ER  -