畢爾 ((Beer, Ferdinand Pierre, 1915- ))

靜力學 / by: 畢爾 ((Beer, Ferdinand Pierre, 1915- )); 約翰斯頓 ((Johnston, E. Russell (Elwood Russell), 1925- )); 林坤楠; Beer, Ferdinand Pierre (1915-); Johnston, E. Russell (1925-) (Language materials, printed)