Steel roofing and walling : installation manual. - Crows Nest, NSW : Lysaght Brownbuilt Industries, 1981. - 36 p. : ill. - SfB Nd2 . Cover title. ISBN: 0909349185 LCCN: 89080239 Subjects--Topical Terms: Roofing, Iron and steel--Handbooks, manuals, etc.