| Item Description: | Imprint on some copies covered by label which reads: Williams & Wilkins Co., Baltimore. |
|---|---|
| 实物描述: | 116 p. : ill. ; 23 cm. |
| 参考书目: | Includes bibliographical references and index. |
| ISBN: | 0713142286 0713142294 (pbk.) : |
| Item Description: | Imprint on some copies covered by label which reads: Williams & Wilkins Co., Baltimore. |
|---|---|
| 实物描述: | 116 p. : ill. ; 23 cm. |
| 参考书目: | Includes bibliographical references and index. |
| ISBN: | 0713142286 0713142294 (pbk.) : |