Descript |
1 online resource : illustrations. |
Content |
text txt |
Media |
computer c |
Carrier |
online resource cr |
Edition |
Revised edition. |
ISBN |
9780861969449 (electronic bk.) |
|
0861969448 (electronic bk.) |
|
9780861969456 (electronic bk.) |
|
0861969456 (electronic bk.) |
|