Calcined bauxite proppants from Australia : determination of the commission in investigation no. 731-TA-411 (final) under the Tariff Act of 1930, together with the information obtained in the investigation (USITC publication ; 2172)
Calcined bauxite proppants from Australia : determination of the commission in investigation no. 731-TA-411 (final) under the Tariff Act of 1930, together with the information obtained in the investigation