| 其他書名 | Proceedings of General Meeting of the Working Group on Granivorous Birds, IBP, PT Section, Held in the Hague, Holland, September 6-8, 1970 |
| 出版 | PWN-Polish Scientific Publishers, 1973 |
| URL | http://books.google.com.hk/books?id=XLm1AAAAIAAJ&hl=&source=gbs_api |