TY  - BOOK
AU  - Dayton Duncan y Ken Burns
TI  - The national parks: America's best idea: An illustrated history 
SN  - 9780307268969
U1  - 333.78 D912 Ej. 1 
PY  - 0000///Knopf
PB  - 2009
KW  - History Illustrated works Interviews Interviews United States Local history USA United States United States History, Local
ER  -