TY  - SER
AU  - Jones, Terry L.
TI  - Environmental imperatives reconsidered : : demographic crises in ewstern North Amercia during the Medieval Climatic Anomaly
T2  - Current Anthropolgy, Suplement ; 
PY  - 1999///
CY  - Chicago-US : 
PB  - Department of Human Sciences, 
ER  -