Uff, J.F. Recommendations for the procurement of ground investigation / J.F. Uff, C.R.I. Clayton. - London : Construction Industry Research and Information Association, 1986. - 44 p. - CIRIA special publication ; 45 . ISBN: 0860172597 LCCN: 89090331 Subjects--Topical Terms: Foundations.Soils--Testing.