TY  - BOOK
AU  - Dury G H
AU  -  Mathieson R S
TI  - United States and Canada
SN  - 435 34 270 3
U1  - U.73.N6, L0 
PY  - 1970///
CY  - London
PB  - Heinemann Educational U K       
KW  - Geography - America
ER  -