TY  - BOOK
AU  - Duff,P Mcl D.
TI  - Holmes` principles of physical geology / 
SN  - 0412461900
U1  - 551 
PY  - 1994///
CY  - London : 
PB  - Chapman and Hall , 
KW  - GEOLOGY
N1  - Includes bibliographical references and index
ER  -