P. J. Say

Ecological aspects of solid waste disposal

Heavy Metals in northern England: environmental and biological aspects, proceedings: a conference on heavy metals and the environment, held at University of Durham, October 17-18, 1981. edited by P.J. Say and B.A. Whitton

Use of estuarine and marine algae to monitor heavy metals

Enteromorpha as a monitor of heavy metals in estuarine and coastal intertidal waters