| 其他書名 | The Fourth Congress of the Czechoslovak Society of Arts and Sciences in America, Inc. : Georgetown University, Washington, D.C. : August 30-September 1, 1968 |
| 出版 | Czechoslovak Society of Arts and Sciences in America, Incorporated, 1968 |
| URL | http://books.google.com.hk/books?id=d6nmMgEACAAJ&hl=&source=gbs_api |