(1963). The effect of desiccation and anaerobic conditions on the behaviour, survival and general metabolism of three common cirripedes. Journal of Animal Ecology, 32, 233-252.
(1981). Some observations on the littoral barnacle populations of North Wales. Marine Environmental Research, 5, 227-240.
(1969). Growth, reproduction and zonation of Patella vulgata. Journal of Experimental Marine Biology and Ecology, 3, 200-213.
(1994). Effects of human trampling on marine rocky shore communities. Journal of Experimental Marine Biology and Ecology, 177, 79-97.
(1983). Heavy metals from the Fal estuary, Cornwall: a study of long-term contamination by mining waste and its effects on estuarine organisms. Plymouth: Marine Biological Association of the United Kingdom. [Occasional Publication, no. 2.]
(1985). Dog-whelks: an introduction to the biology of Nucella lapillus (L.) Field Studies, 6, 291-360.
(1984). Seasonal growth studies of intertidal gastropods from shell micro-growth band measurements, including a comparison with alternative methods. Journal of the Marine Biological Association of the United Kingdom, 64, 183-210.
(1970b). Aspects of the ecology of an exposed shore population of dogwhelks Nucella lapillus. Oecologia, 5, 1-18.
(1970). Responses and acclimation to salinity in the adults of some balanomorph barnacles. Philosophical Transactions of the Royal Society of London, Series B, 256, 377-400.
(1994). British prosobranch molluscs: their functional anatomy and ecology, revised and updated edition. London: The Ray Society.
(1981). The tenacity of the limpet, Patella vulgata L.: an experimental approach. Journal of Experimental Marine Biology and Ecology, 54, 277-308.
(1985). Patchiness and fluctuations on moderately exposed rocky shores. Ophelia, 24, 53-63.
(1994). From the individual to the community and beyond: water quality, stress indicators and key species in coastal systems. In Water quality and stress indicators in marine and freshwater ecosystems: linking levels of organisation (individuals, populations, communities) (ed. D.W. Sutcliffe), 35-62. Ambleside, UK: Freshwater Biological Association.
(1998). Intertidal Reef Biotopes (Volume VI). An overview of dynamics and sensitivity characteristics for conservation management of marine Special Areas of Conservation. Oban: Scottish Association for Marine Science (UK Marine SACs Project)., Scottish Association for Marine Science (UK Marine SACs Project).
(1997). The sensitivity and vulnerability to man-induced change of selected communities: intertidal brown algal shrubs, Zostera beds and Sabellaria spinulosa reefs. English Nature, Peterborough, English Nature Research Report No. 234.
(1995). The sensitivity of marine communities to man induced change - a scoping report. Countryside Council for Wales, Bangor, Contract Science Report, no. 65.
(2000). Spatial and temporal variation in settlement and recruitment of the intertidal barnacle Semibalanus balanoides (L.) (Crustacea: Cirripedia) over a European scale. Journal of Experimental Marine Biology and Ecology, 243, 209-225.
(1980). Diseases of marine animals. vol. 1. General aspects. Protozoa to Gastropoda. Chichester: John Wiley & Sons.
(1996). The Biology of Rocky Shores. Oxford: Oxford University Press.
(1979). Biology of intertidal animals. Faversham: Marine Ecological Surveys Ltd.
(1982). Environmental effects (1969 to 1981) of a refinery effluent discharged into Littlewick Bay, Milford Haven. Field Studies, 5, 623-641.
(1999). Intertidal Ecology 2nd edn.. London: Kluwer Academic Publishers.
(1980). The estuarine mud snail, Nassarius obsoletus: abnormalities in the reproductive system. Journal of Molluscan Studies, 46, 247-256.
(1968). 'Torrey Canyon'. Pollution and marine life. Cambridge: Cambridge University Press.
(1978). Recolonisation of rocky shores in Cornwall after use of toxic dispersants to clean up the Torrey Canyon spill. Journal of the Fisheries Research Board of Canada, 35, 682-706.
(1995). Seventy years observations of changes in distribution and abundance of zooplankton and intertidal organisms in the western English Channel in relation to rising sea temperature. Journal of Thermal Biology, 20, 127-155.