共 50 条
- [1] The German Potash Industry and the Potash Industry ARCHIV FUR SOZIALWISSENSCHAFT UND SOZIALPOLITIK, 1912, 34 (01): : 268 - 272
- [10] Experiments to find, if possible, the potash in fertilizers having the potash from carbonate of potash JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1909, 1 : 810 - 811