URQUHART, LEONARD CHURCH.
Tables and diagrams from design of concrete structures, by Leonard Church Urquhart & Charles Edward O'Rourke. 4th ed.
URQUHART, LEONARD CHURCH. Tables and diagrams from design of concrete structures, by Leonard Church Urquhart & Charles Edward O'Rourke. 4th ed. © 2Oct40; AA350570. Mrs. L. C. Urquhart & Hilda J. O'Rourke (W); 22Apr68; R433727.
Mrs. L. C. Urquhart & Hilda J. O'Rourke|W