Australasian Institute of Mining and Metallurgy. Illawarra Branch, Hargraves, A. J., & McCoy, A. E. R. (1974). Support in pillar extraction: Proceedings of the colloquium on support in pillar extraction organised by the Illawarra Branch of the Australasian Institute of Mining and Metallurgy and held at the Wollongong University College 23rd and 24th February, 1974. Australasian Institute of Mining and Metallurgy, Illawarra Branch.
Chicago Style (17th ed.) CitationAustralasian Institute of Mining and Metallurgy. Illawarra Branch, A. J. Hargraves, and A. E. R. McCoy. Support in Pillar Extraction: Proceedings of the Colloquium on Support in Pillar Extraction Organised by the Illawarra Branch of the Australasian Institute of Mining and Metallurgy and Held at the Wollongong University College 23rd and 24th February, 1974. Wollongong, N.S.W.: Australasian Institute of Mining and Metallurgy, Illawarra Branch, 1974.
MLA (8th ed.) CitationAustralasian Institute of Mining and Metallurgy. Illawarra Branch, et al. Support in Pillar Extraction: Proceedings of the Colloquium on Support in Pillar Extraction Organised by the Illawarra Branch of the Australasian Institute of Mining and Metallurgy and Held at the Wollongong University College 23rd and 24th February, 1974. Australasian Institute of Mining and Metallurgy, Illawarra Branch, 1974.