TY  - BOOK
AU  - Dunn,Andrew
AU  - Carr,Ed
TI  - Simple slopes
SN  - 0750202173 
U1  - 372.3 DUN 
PY  - 1991///
CY  - England
PB  - Wayland
KW  - Simple machines
KW  - Inclined planes
KW  - Slopes (Soil mechanics)
N1  - Includes bibliographical references (p. 31) and index
ER  -