AEC research reports. AEC-tr-3439. Physical chemistry of pyrometallurgical processes: pt. 2, Interaction of liquids with gases and solid phases (Fizicheskaya khimiya pirometallurgicheskikh protsessov, chast vtoraya, Vzaimodeistvie zhudkostei s gazami) [with bibliographies]; by O. A. Esln, P. V. Gel'd.