Geographical data :
Walford, Nigel.
Geographical data : characteristics and sources / Nigel Walford. - West Sussex, England : John Wiley, c2002. - xv, 274 p. : il., mapas ; 24 cm.
Incluye referencias bibliográficas (p. [245]-258) and index.
0471970859 (alk. paper)
2001046626
Geographic information systems.
G70.212 / .W35 2002
910/.285/57
Geographical data : characteristics and sources / Nigel Walford. - West Sussex, England : John Wiley, c2002. - xv, 274 p. : il., mapas ; 24 cm.
Incluye referencias bibliográficas (p. [245]-258) and index.
0471970859 (alk. paper)
2001046626
Geographic information systems.
G70.212 / .W35 2002
910/.285/57