Willis, C. J. Practice and procedure for the quantity surveyor / by Christopher J. Willis, and Allan Ashworth - 9th ed - Oxford : BSP Professional, 1963. - xi, 249 p. : ill. ; 24 cm Includes index and bibliography ISBN: 0632029323 Nat. Bib. No.: GB 90-26244 Subjects--Topical Terms: Building--Estimates--Great Britain. LC Class. No.: TH435 / .W54 1963