1. A procedure for correcting the grain size effect in heavy metal analysis of estuarine and coastal sediments;Ackermann;Environmental Technology Letters,1980
2. A short history of salt-marsh reclamation at Slimbridge Warth and neighbouring areas, Gloucestershire;Allen;Trans. Bristol Gloucestershire Archaeol. Soc.,1986
3. Microscopic coal-burning residues in the Severn Estuary, Southwestern UK;Allen;Mar. Pollut. Bull.,1987
4. Towards a quantitative chemostratigraphic model for sediments of late Flandrian age in the Severn Estuary, U.K.;Allen;Sediment Geol.,1987
5. Romano-British settlement and industry on the wetlands of the Severn Estuary;Allen;Britannia,1987