TY  - BOOK
AU  - Butzer Karl W
TI  - Arcaeology as human ecology :  Mathod and theory for a contextual approach   
SN  - 0 521 28877 0
U1  - U:(G:5), M2 
PY  - 1982///
CY  - Cambridge
PB  - Cambridge University Press        
KW  - Modern - Geography
ER  -