| 其他書名 | A Thesis Presented to the Faculty of the Graduate School Southern Connecticut State College in Partial Fulfillment of the Requirements for the Degree Master of Science Southern Connecticut State College |
| 出版 | Southern Connecticut State College, 1960 |
| URL | http://books.google.com.hk/books?id=4HrUNwAACAAJ&hl=&source=gbs_api |