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| jgg
2009 29 (增刊):
134-135
ISSN: 0412-1961 CN: 21-1139/TG
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| MANAGEMENT OF PLUMB-LINE OBSERVER OF CG-2A TYPE OPERATING IN FIXED MODE |
| Bian Zhiyuan and Cai Qingfu |
| Kirn Survey Instrument Factor of Wuhan,Wuhan 430071 |
| Received: 1900-01-01 Revised: 1900-01-01 Online: null |
Supporting info
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