Institution of Chemical Engineers (Great Britain). Yorkshire Branch & Heggs, P. J. (1986). Effluent treatment and disposal: A three-day symposium. Institution of Chemical Engineers : Distributed throughout the world (excluding Australia) by Pergamon Press, Ltd. except to IChemE members.
芝加哥风格引文Institution of Chemical Engineers (Great Britain). Yorkshire Branch 与 P. J. Heggs. Effluent Treatment and Disposal: A Three-day Symposium. Oxford [Oxfordshire]: Institution of Chemical Engineers : Distributed throughout the world (excluding Australia) by Pergamon Press, Ltd. except to IChemE members, 1986.
MLA引文Institution of Chemical Engineers (Great Britain). Yorkshire Branch 与 P. J. Heggs. Effluent Treatment and Disposal: A Three-day Symposium. Institution of Chemical Engineers : Distributed throughout the world (excluding Australia) by Pergamon Press, Ltd. except to IChemE members, 1986.