Grizzlymedvék, mammutfenyők, gejzírek világában
By: Szalay-Marzsó László, Sz. Juhász Enikő.
Contributors: Juhász, Enikő Sz.
Publisher: Natura
Published: 1972
Place of publication: [Budapest]
Language: hun
Number of pages: 263
Subjects: Natural areas -- United States.; National parks and reserves -- United States.