TY  - BOOK
AU  - Lister,Robert H.
TI  - Excavations at Hells Midden Dinosaur National Monument
T2  - University of Colorado Studies. Series in Antropology ; 
PY  - 1951///
CY  - Colorado : 
PB  - University of Colorado, 
N1  - Contiene: Excavaciones en el Monumento nacional dinosaurio en Hells Midden, EE.UU
ER  -