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- [22] STRATOSPHERIC RADIOMETRIC MEASUREMENTS FROM CONSTANT-LEVEL BALLOONS JOURNAL OF APPLIED METEOROLOGY, 1979, 18 (11): : 1385 - 1396
- [24] ON THE USE OF CONSTANT-LEVEL BALLOONS TO MEASURE HORIZONTAL MOTIONS IN THE ATMOSPHERE JOURNAL OF METEOROLOGY, 1954, 11 (03): : 167 - 172
- [30] THE GROWTH OF STOCKS AND CHINA ASTERS ON 4 IOWA SOILS WITH CONSTANT-LEVEL SUB-IRRIGATION PROCEEDINGS OF THE AMERICAN SOCIETY FOR HORTICULTURAL SCIENCE, 1948, 51 (JUN): : 605 - 609