| وصف مادي: | xiii, 158 pages : illustrations. 23 cm. |
|---|---|
| بيبلوغرافيا: | Includes bibliographical references and index. |
| ردمك: | 0415286115 0415286123 (PB : alk. paper) |
| وصف مادي: | xiii, 158 pages : illustrations. 23 cm. |
|---|---|
| بيبلوغرافيا: | Includes bibliographical references and index. |
| ردمك: | 0415286115 0415286123 (PB : alk. paper) |