p g ledig

Carnegie Institution of Washington. Dept. of Terrestrial Magnetism, H. F. Johnston, A. G. McNish, S.E. Forbush, W. E. Scott, Ella Balsam, P. G. Ledig · Carnegie Institution of Washington

406 sayfa · 1948

Geomagnetism--Peru--Huancayo--Observations

Carnegie Institution of Washington. Dept. of Terrestrial Magnetism, H. F. Johnston, A. G. McNish, S.E. Forbush, W. E. Scott, Ella Balsam, P. G. Ledig · Carnegie Institution of Washington

624 sayfa · 1948

Geomagnetism--Peru--Huancayo--Observations

Carnegie Institution of Washington. Dept. of Terrestrial Magnetism, P. G. Ledig, Giesecke, A. A., Jr., W. C. Parkinson, W. E. Scott, Ella Balsam · Carnegie Institution of Washington

142 sayfa · 1951

Geomagnetism--Peru--Huancayo--Observations