TY - BOOK ED - International Programme on Chemical Safety TI - Nitrogen oxides SN - 9241571888 SN - 0250-863 PY - 1997/// CY - Geneva PB - World Health Organization KW - Nitrogen dioxide KW - Nitrogen oxides N1 - Published under joint sponsorship of the United Nations Environment Programme, the International Labour Organisation and the World Health O rganization; Includes bibliographical references ER -