TY  - BOOK
AU  - Williams,Peter J.
TI  - The surface of the earth: an introduction to geotechnical science 
SN  - 0582300436
PY  - 1982///
CY  - London
PB  - Longman
KW  - Earth sciences
KW  - Engineering geology
N1  - Bibliography: p.203-209
ER  -