TY  - SER
AU  - Frison, George C..
TI  - Progress & Challenges : : Intriguing Questions Linger after 75 years of Answers
T2  - Discovering Archaeology ; 
PY  - 2000///
CY  - Oregon-XXU : 
PB  - The Leach Publishing Group, 
N1  - First Americans. The Archaelogy
ER  -