Progress in the science and technology of... Progress in the science and technology of the rare earths Progress in the science and technology of the rare earths. 1 Progress in the science and technology of the rare earths. 2 Progress in refrigeration science and technology. 1 Progress in refrigeration science and technology. 2 Progress in refrigeration science and technology. 3 Progress in refrigeration science and technology. 4 Progress in refrigeration science and technology Advances in urethane science and technology