B S I. (1971). UDC 66 Glass and allied industries ceramics, clay and allied industries gypsum lime cement and allied industries BS 1000(666): 1971. B S I.
Chicago Edition CitationB S I. UDC 66 Glass and Allied Industries Ceramics, Clay and Allied Industries Gypsum Lime Cement and Allied Industries BS 1000(666): 1971. London: B S I, 1971.
Cita MLAB S I. UDC 66 Glass and Allied Industries Ceramics, Clay and Allied Industries Gypsum Lime Cement and Allied Industries BS 1000(666): 1971. B S I, 1971.
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