1. ( 1975). The role of shell middens in prehistoric economies. Unpublished doctoral dissertation, University of Cambridge, Cambridge.
2. ( 1978). Shell middens as indicators of postglacial economies: A territorial perspective. In (Ed.), The early postglacial settlement of northern Europe (pp. 37-63). London: Duckworth.
3. ( 1983). Problems of site formation and the interpretation of spatial and temporal discontinuities in the distribution of coastal middens. In & (Eds.), Quaternary coastlines and marine archaeology (pp. 559-582). New York: Academic Press.
4. Asprochaliko and Kastritsa: Further Investigations of Palaeolithic Settlement and Economy in Epirus (North-West Greece)