title: Letter to the editor RE: Wolf et al.1.
authors.affiliation: a International Isocyanate Institute 321 West Main St , Boonton NJ 07005 USA.
authors.forename: Anne Harman
authors.initials: AH
authors.lastname: Chappelle
authors.affiliation: a International Isocyanate Institute 321 West Main St , Boonton NJ 07005 USA.
authors.forename: Mark
authors.initials: M
authors.lastname: Spence
authors.affiliation: a International Isocyanate Institute 321 West Main St , Boonton NJ 07005 USA.
authors.forename: Bernard
authors.initials: B
authors.lastname: Tury