@incollection {Ducheyne2008c,
	title = {Entry "{H}elmont, {J}ohannes ({J}oan) {B}aptista {V}an"},
	booktitle = {New Dictionary of Scientific Biography},
	volume = {III},
	year = {2008},
	pages = {277-281},
	publisher = {Thomson Gale},
	author = {Ducheyne, Steffen},
	editor = {Pilchak, Angela}
}
