O. E. Michaelis
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- A Note on the Cost of Concrete. Dans: Transactions of the American Society of Civil Engineers, v. 15, n. 1 ( 1886). (1886):
- Limo Sulphite Fiber Manufacture in the United States. Dans: Transactions of the American Society of Civil Engineers, v. 20, n. 1 ( 1889). (1889):