A review of selected engineering geological characteristics of English Chalk

by Bell, F.G, Cripps, J.C, Culshaw, M.G
Source: 1. Engineering geology 1. 0013-7952 1. Roč. 54, č. 3-4 (okt./nov. 1999), s. 237-269

Permeability of compacted colliery spoil - a parametric study

by Smith, C.C, Cripps, J.C, Wymer, M.J
Source: 1. Engineering geology 1. 0013-7952 1. Roč. 53, č. 2 (jún 1999), s. 187-193