Methods of test for soils for civil engineering purposes. Part 9. In-situ tests In-situ tests - Milton Keynes : BSI, 1990 - iv, 66 p. : ill. ; 30 cm - British standard ; BS 1377 : Part 9 : 1990 . 'British Standard, BS 1377 - 9 : 1990'--Cover ISBN: 0580182428 RM 921.20 Subjects--Topical Terms: Soils--Testing--Standard