title: Whole leaf fluorescence as a technique for measurement of tolerance of plants to heavy metals.
authors.affiliation: Biology Division, Preston Polytechnic, Corporation Street, Preston, Lancs, U.K.
authors.forename: John R
authors.initials: JR
authors.lastname: Homer
authors.affiliation: Biology Division, Preston Polytechnic, Corporation Street, Preston, Lancs, U.K.
authors.forename: Raymond
authors.initials: R
authors.lastname: Cotton
authors.affiliation: Biology Division, Preston Polytechnic, Corporation Street, Preston, Lancs, U.K.
authors.forename: E Hilary
authors.initials: EH
authors.lastname: Evans