Encyclopedia of geographic information sources
Wasserman, Paul
Encyclopedia of geographic information sources - 3rd ed. - Michigan: Gale Research Company, 1978 - xi, 167p.
0-8103-0374-4
Social science
Information source
D 03(026):91 / L8
Encyclopedia of geographic information sources - 3rd ed. - Michigan: Gale Research Company, 1978 - xi, 167p.
0-8103-0374-4
Social science
Information source
D 03(026):91 / L8