(1908). Portland cement mortars and their constitutent materials: Results of tests made at the structural materials testing laboratories, Forest Park, St. Louis, Mo., 1905-1907 / Richard L. Humphrey and William Jordan.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Portland Cement Mortars and Their Constitutent Materials: Results of Tests Made at the Structural Materials Testing Laboratories, Forest Park, St. Louis, Mo., 1905-1907 / Richard L. Humphrey and William Jordan. 1908.
MLA -ийн эшлэл (9 дэх хэвлэлт)Portland Cement Mortars and Their Constitutent Materials: Results of Tests Made at the Structural Materials Testing Laboratories, Forest Park, St. Louis, Mo., 1905-1907 / Richard L. Humphrey and William Jordan. 1908.
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