Widok standardowy
Widok MARC
Alex, Betty.(Hasło osobowe)
Kp. Biosphere reserves on borders / [Betty Alex et al.]. - Warsaw, 2000. (Big Bend National Park, Texas, USA).
LCA online
Kp. Biosphere reserves on borders / [Betty Alex et al.]. - Warsaw, 2000. (Big Bend National Park, Texas, USA).
LCA online