Earthscape [computer file] : exploring endangered ecosystems
Publication details: U.S.A. : McGraw-Hill, c1997.Description: 1 computer laser optical disc ; 4 3/4 in. in container 22 x 15 x 3 cmISBN:- No ISBN
- 574.529 EAR
CD-ROM
Created in cooperation with the National Wildlife Federation
Accompanied by : Earthscape : exploring endangered ecosystems : user's manual (23p. ; 12 cm.) , c1997 in container