TY  - BOOK
AU  - Hanson,Bernice
AU  - Lahs,Peggy
TI  - Friction and machines
SN  - 0574516611
U1  - 531.4 H251 1984 
PY  - 1984///
CY  - Chicago
PB  - SRA
KW  - Friction
KW  - Machines
ER  -