A. Cripps

Engineering geology of British rocks and soils : mudstones of the Mercia Mudstone Group

L. Jones, D. Entwisle, P. Hobbs, 2002 .

Engineering geology of British rocks and soils : Gault Clay

L. Jones, D. Entwisle, P. Hobbs, 1994 .

The use of the natural gamma log in engineering geological investigations

A. Cripps, D. Mccann, 2000 .

Nitrate Leaching to Groundwater

A. Cripps, S. Foster, A. Smith-Carington, 1982 .