Water conservancy in New China compiled by the Ministry of Water Conservancy, People's Republic of China
| Формат: | Ном |
|---|---|
| Хэл сонгох: | English |
| Хэвлэсэн: |
Shanghai
Shang-hai jen min mei shu chu pan she People's Art Pub. House
1956
|
| Нөхцлүүд: |
| Тодорхойлолт байхгүй байна. |