Sea-shore vegetation around the Gulf of Bothnia :
guide for the International Society for Vegetation Science, July-August 1977 /
Lars Ericson & Hans-Georg Wallentinus.
APA Citation
Ericson, L., Wallentinus, H., International Society for Vegetation Science. (1979). Sea-shore vegetation around the Gulf of Bothnia: guide for the International Society for Vegetation Science, July-August 1977. Umeå: Dept. of Ecological Botany, Univ. of Umeå.
MLA Citation
Ericson, Lars, 1945-, Hans-Georg Wallentinus, and International Society for Vegetation Science. Sea-shore Vegetation Around the Gulf of Bothnia: Guide for the International Society for Vegetation Science, July-August 1977. Umeå: Dept. of Ecological Botany, Univ. of Umeå, 1979.
Warning: These citations may not always be complete (especially for serials).