| GMD | Books |
| Classification | 910.285 H259 1998 |
| Publisher | Environmental Systems Research Institute, Redlands, Calif., 1998 |
| Subject | Geography -- Computer network resources.Geographic information systems -- Computer network resources.Maps -- Computer network resourcesWorld Wide Web. |
| Description | ix, 130 p. : ill., maps (chiefly col.) ; 20 x 23 cm. + 1 computer laser optical disk (4 3/4 in.) |
| ISBN | 9781879102521 |