TY  - SER
AU  - Roper, Donna C.
TI  - The effect of the direct historical approach on the develpment of theory in plains archaeology : : a comment on mithchellïs analysis of the MBP legacy
T2  - American Antiquity ; 
PY  - 2007///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
ER  -