@article{2d7c1ff06c3811dcbee902004c4f4f50,
title = "In memoriam - Bertel Hansen (1932-2005)",
author = "Ib Friis",
year = "2006",
language = "English",
volume = "55",
pages = "1055--1056",
journal = "Taxon",
issn = "0040-0262",
publisher = "International Association for Plant Taxonomy",
number = "4",
}