Canadian Forest Service Publications
Effects of atmospheric fluorides on foliage, and cone and seed production in balsam fir, black spruce, and larch. 1986. Sidhu, S.S.; Staniforth, R.J. Canadian Journal of Botany 64: 923-931.
Issued by: Northern Forestry Centre
Catalog ID: 11323
Availability: PDF (request by e-mail)