TY  - BOOK
AU  - Beers,Burton F.
TI  - Patterns of civilization / 
SN  - 0136539084
U1  - 909 Original american edition. 
PY  - 1984///
CY  - Scarborough, Ontario : 
PB  - Prentice-Hall Canada Inc. , 
KW  - Civilization - Juvenile literature.
N1  -  includes glossary and index, bibliographies, and photo credits.
N2  - 

ER  -