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2 matching references were found.
Niwa, K.; Sato, M.; Yoshiyama, M., J. Chem. Soc. Jpn., 1939, 60, 918. [all data]
Nagai, S.I.; Niwa, K.; Shinmei, M.; Yokokawa, T., Knudsen effusion study of silica, J. Chem. Soc. Faraday Trans. 1, 1973, 69, 1628. [all data]