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- [2] Developing and accuracy analysis of portable device for automatically measuring diameter at breast height and tree height Nongye Gongcheng Xuebao, 18 (92-99):
- [4] A SYSTEM FOR MEASURING REGISTRATION OF THE VERTICAL STRUCTURE OF THE HORIZONTAL VIEW BETWEEN 2 AND 300 METERS IN HEIGHT METEOROLOGISCHE RUNDSCHAU, 1985, 38 (05): : 156 - 159
- [7] AUTOMATICALLY CONTROLLED HETERODYNE FOR FREQUENCY-RESPONSE METERS PRIBORY I TEKHNIKA EKSPERIMENTA, 1974, (01): : 93 - 95