Applied quaternary research : proceedings of the Inqua Symposium on Applied Quaternary Studies, Ottawa 6 August 1987 / ed. by Ed F.J. de Mulder & Bob P. Hageman

Applied quaternary research : proceedings of the Inqua Symposium on Applied Quaternary Studies, Ottawa 6 August 1987 / ed. by Ed F.J. de Mulder & Bob P. Hageman