| Physical Description: | xvi, 231p. : ill. ; 23cm. |
|---|---|
| Bibliography: | Includes bibliographical references and index. |
| ISBN: | 0521775558(pbk) |
| Physical Description: | xvi, 231p. : ill. ; 23cm. |
|---|---|
| Bibliography: | Includes bibliographical references and index. |
| ISBN: | 0521775558(pbk) |