Butcher, K. & Sillar, B., (1994). The Fifteenth Annual Conference of the Theoretical Archaeology Group. Durham, 13th - 16th December 1993. Papers from the Institute of Archaeology. 5, pp.128–131. DOI: http://doi.org/10.5334/pia.54

Butcher K, Sillar B. The Fifteenth Annual Conference of the Theoretical Archaeology Group. Durham, 13th - 16th December 1993. Papers from the Institute of Archaeology. 1994;5:128–31. DOI: http://doi.org/10.5334/pia.54

Butcher, K., & Sillar, B. (1994). The Fifteenth Annual Conference of the Theoretical Archaeology Group. Durham, 13th - 16th December 1993. Papers from the Institute of Archaeology, 5, 128–131. DOI: http://doi.org/10.5334/pia.54

Butcher, Kevin, and Bill Sillar. 1994. The Fifteenth Annual Conference of the Theoretical Archaeology Group. Durham, 13th - 16th December 1993 5: 128–131. DOI: http://doi.org/10.5334/pia.54