Last FT. Acid deposition: its nature and impacts. (Last FT, Watling R).; 1991 pp. 273-324.

Brydges TG, Wilson RB. Acid rain since 1985 - times are changing. In: Last FT, Watling R Acid deposition: its nature and impacts. Vol. 97. Acid deposition: its nature and impacts. ; 1991. pp. 1-15.

Last FT, Watling R. Acidic deposition: its nature and impacts.; 1991.

Mason PA, Wilson J, Last FT. Mycorrhizal fungi of Betula spp.: factors affecting their occurrence. Proceedings of the Royal Society of Edinburgh. 1984  ;85B:141-151.