TY  - BOOK
AU  - Rybach L Ed.
AU  -  Muffler L J P Ed.
TI  - GeREFmal systems: Principles and case histories
U1  - H4z7, M1 
PY  - 1981///
CY  - New York    
PB  -  John Wiley       
KW  -  Dynamic geology
KW  - Geology
ER  -