| 其他書名 | A Man Climbs a Mountain Because it is There a Man Makes a Work of Art Because it is Not There : Städtisches Museum Mönchengladbach, 18.10.-15.12.1968 |
| 出版 | Verlag nicht ermittelbar, 1968 |
| URL | http://books.google.com.hk/books?id=4Zg_swEACAAJ&hl=&source=gbs_api |