@inbook {1673,
	title = {Effects of  atmospheric nitrogen compounds (particularly nitrogen oxides) on plants.},
	booktitle = {Environmental  Health Criteria Series},
	volume = {188},
	year = {1997},
	pages = {115{\textendash}191},
	publisher = {WHO},
	organization = {WHO},
	chapter = {4},
	address = {Geneva},
	author = {WHO}
}
