TY  - GEN
AU  - Thornbury, William D.
TI  - Principles of geomorphology
SN  - 0-85226-885-8 :
U1  - 551.4 
PY  - 1969///
CY  - New Delhi
PB  - Wiley Eastern
KW  - GEOMORPHOLOGY
N1  - Includes bibliographical references and index
ER  -