TY  - BOOK
AU  - Thornbury William D
TI  - Principles of geomorphology
SN  - 0852268858 (pbk)
U1  - H:2, K9  Carg 
PY  - 1969///
CY  - New Delhi
PB  - New Age International (P) Limited  
KW  -  Geomorphology
KW  - Geology
N1  - Includes bibliographical references; Index 577-594p
ER  -