The Physics Society of Iran Iranian Journal of Physics Research 1682-6957 1 1 2019 11 26 Free Oscillations of Earth-Like Bodies Free Oscillations of Earth-Like Bodies 49 53 737 FA Y. Sobuti Journal Article 2019 11 26 https://ijpr.iut.ac.ir/article_737_a5cdd4aa0048b187f7182f1b9ce7a6a7.pdf