@inbook {260,
	title = {Isozyme polymorphism in the genus Potamogeton (Potamogetonaceae)},
	booktitle = {Isozymes in Aquatic Plants. Opera Botanica Belgica 4},
	year = {1991},
	pages = {87-114},
	edition = {Triest, L.},
	author = {Hettiarachchi, P. and Triest, L.}
}
