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AUTHORS (1-4 之 4)
Ross, William H. (William Horace), 1875-1947.
1 The computation of fertilizer mixtures from concentrated materials Merz, Albert R. (Albert Ronald), 1887-1970. Washington, D.C. : U.S. Dept. of Agriculture, 1924. 1924 評級: 複本
2 The recovery of potash as a by-product in the blast-furnace industry Merz, Albert R. (Albert Ronald), 1887-1970. Washington, D.C. : U.S. Dept. of Agriculture, 1924. 1924 評級: 複本
3 The recovery of potash as a by-product in the cement industry Ross, William H. (William Horace), 1875-1947. Washington, D.C. : U.S. Dept. of Agriculture, 1917. 1917 評級: 複本
4 The use of radioactive substances as fertilizers Ross, William H. (William Horace), 1875-1947. Washington, D.C. : U.S. Dept. of Agriculture, 1914. 1914 評級: 複本
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