Atlas de Formas de la tierra

por Belcher, Donald
Publicado 1979

Manual of photographic interpretation /

por Baker, Bruce W., Baker, Bruce W., Baker, Robert D., Baker, Simon, Barker, Mark, Beaumont, Trevor E., Befort, William, Belcher, Donald J., Boyd, Raymond J., Bracher, Grant, Brickell, James E., Camill, Eileen, Campbell, James B. 1944-, Carver, Larry, Ciesla, William M., Civco, Daniel L.
Publicado 1997