TY  - BOOK
AU  - Billings,Marland Pratt
TI  - Structural geology
U1  - 153 
PY  - 1950///]
CY  - New York
PB  - Prentice-Hall
KW  - Ibn Khallikans
KW  - Biographical
KW  - Dictionaries
N1  - Bibl : foot-notes; 1st pub. 1942
ER  -