Dictionary of Kammu Yùan Language and CultureJan-Olof Svantesson, Damrong Tayanin, Lindell Kristina Kam Raw, Håkan Lundström, Lennart Engstrand · First published 2014Open the Tome
Biosystematics and taxonomy in Geocaryum Cosson (Umbelliferae)Lennart Engstrand · First published 1977Open the Tome