Flowers in amber /

Poinar, George O.,

South American Sauropodomorph dinosaurs

Otero Rodr?�guez, Alejandro,

Plants and palynomorphs around the Permian-Triassic boundary of South China /

Broutin, Jean,

Global change in Atlantic coastal Patagonian ecosystems

Helbling, E. Walter,

The lakes of the basin of Mexico

Cordova, Carlos E., ; 1965-