TY  - BOOK
AU  - Billings,Marland P, x
AU  - x
TI  - Structual geology: x
SN  - x
U1  - 551.8/BIS 
PY  - 1974///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Geology
N1  - Includes
ER  -