Geographical information systems /
Maguire, D. J.(David J.)
Goodchild, Michael F.
Rhind, David.
Harlow, Essex, England : Longman Scientific & Technical ; New York : Copublished in the U.S. with J. Wiley,
1991.
Includes bibliographical references and index.
v. 1. Principles -- v. 2. Applications.
Geographic information systems.