期刊论文详细信息
Journal of Astronomical History and Heritage | |
The principal time balls of New Zealand | |
Roger Kinns | |
学科分类:天文学(综合) | |
来源: National Astronomical Research Institute of Thailand | |
Journal of Astronomical History and Heritage | |
The principal time balls of New Zealand | |
Roger Kinns | |
学科分类:天文学(综合) | |
来源: National Astronomical Research Institute of Thailand | |