Plants and ancient man : studies in palaeoethnobotany proceedings of the Sixth Symposium of the International Work Group for Palaeoethnobotany, Groningen, 30 May-3 June 1983 / edited by W. van Zeist & W.A. Casparie.
International Work Group for Palaeoethnobotany. Symposium 1983 : Groningen, Netherlands) | Date: 1984