Penetration testing in the UK : proceedings of the Geotechnology Conference and held in Birmingham on 6-8 July 1988 / organized by the Institution of Civil Engineers - London : Thomas Telford, 1989 - 370 p. : ill. ; 30 cm. ISBN: 0727713779 RM561.94 Subjects--Topical Terms: Engineering geology--Congresses--United KingdomSoil penetration test--Congresses