海量图书期刊资源，随时随地畅享阅读乐趣
On physical conditions in the chromosphere above sunspot umbraeR. B. Teplitskaja; S. A. Grigoryeva (Efendieva); V. G. Skochilov · 1978
Width of emission cores of the line K Caiiin sunspotsR. B. Teplitskaja; S. A. Efendieva · 1973