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

A primer on evaluation and use of natural resource information for corporate data bases /

por Bailey, Robert G. 1939-
Publicado 1995